Kayn - League of Legends Champion
Win Rate
49.2%
Pick Rate
6.0%

Kaynvs Dr. Mundo

DFighterAssassin
Patch26.13
Matches9,048,502
LaneAll Lanes
TierAll Tiers
Last UpdatedJul 15, 2026
MethodologyData Methodology

Kayn vs Dr. Mundo is a decisive matchup in LoL patch 26.13. Kayn wins with a 63.2% win rate (+26.3%) over Dr. Mundo based on 19 games. Dr. Mundo wins the early laning phase while Kayn scales better into the late game. Below you'll find the best Kayn build, runes, laning stats, and strategies for the Kayn vs Dr. Mundo matchup.

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Kayn Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Kayn performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.

Compare against an opponent
Kayn - 63.2% win rate in this matchup
Kayn
63.2% WR
VS
Dr. Mundo vs Kayn matchup - 36.8% win rate
Dr. Mundo
36.8% WR

Who Wins the Kayn vs Dr. Mundo Matchup?

Kayn wins the Kayn vs Dr. Mundo matchup
Winner
Kayn
Matches: 19
63.2%
Win Rate
36.8%
2.3
CS / min
2.1
862
DMG / min
641
12,311
Gold / game
11,341
523
Heal / min
915
878
DMG Mitigated / min
1,431
0.6
CC / min
0.5
42.9%
Early Game WR
57.1%
75.0%
Late Game WR
25.0%

Kayn vs Dr. Mundo Matchup Summary

The Kayn vs Dr. Mundo matchup is a decisive matchup in League of Legends ranked play. Based on 19 recent matches analyzed, Kayn wins with a 63.2% win rate compared to Dr. Mundo's 36.8%, giving Kayn a 26.3 percentage point advantage. Game phase dynamics play a critical role here: Dr. Mundo controls the early laning stage, but Kayn outscales as the game goes longer. The matchup shifts dramatically depending on game length — Dr. Mundo needs to press advantages before Kayn reaches their power spikes, while Kayn should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in sustain, where Dr. Mundo leads by 945 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Kayn players can confidently pick into Dr. Mundo and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Dr. Mundo away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Kayn vs Dr. Mundo Laning Phase Breakdown

Kayn wins the laning phase against Dr. Mundo in League of Legends

Kayn is favored during the laning phase against Dr. Mundo, winning 4 out of 5 key stat categories. Kayn holds advantages in farming, damage, gold income and crowd control, making them the stronger laner in this matchup.

Farming
2.3Kayn
2.1Dr. Mundo
Kayn and Dr. Mundo farm at nearly identical rates in this matchup, with only a 0.2 CS/min difference. Neither champion holds a meaningful farming advantage, so lane dominance will come from trading and jungle interaction rather than CS leads.
Damage
862Kayn
641Dr. Mundo
Kayn heavily out-damages Dr. Mundo by 221 DMG/min, dominating both short trades and all-in fights. Dr. Mundo should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Kayn's sustained damage advantage take over.
Economy
12,311Kayn
11,341Dr. Mundo
Kayn generates a commanding 970 more gold per game than Dr. Mundo. This substantial economic advantage means Kayn consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Dr. Mundo should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.6Kayn
0.5Dr. Mundo
Both Kayn and Dr. Mundo provide similar amounts of crowd control (0.1s/min difference), meaning neither has a significant advantage in locking down opponents for ganks or team fights. Lane ganks are equally effective for both sides.
Sustain
1,402Kayn
2,346Dr. Mundo
Dr. Mundo vastly out-sustains Kayn, healing and mitigating 945 more damage per minute. This massive durability gap means Dr. Mundo can absorb significant punishment and remain in lane while Kayn is forced to recall. Building grievous wounds early is essential for Kayn, and focusing on burst trade patterns rather than sustained fights is critical.

Best Kayn Build Against Dr. Mundo

Ionian Boots of Lucidity is the optimal boots choice against Dr. Mundo, providing the mobility and stats Kayn needs most in this matchup. The top-performing core items for Kayn against Dr. Mundo are Voltaic Cyclosword, Axiom Arc and Serpent's Fang. This combination gives Kayn an effective balance of damage, survivability, and utility for the matchup. This build achieves a solid 50.0% win rate across 2 games, proving it to be a reliable item path when facing Dr. Mundo. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Kayn vs Dr. Mundo matchup.

Early Game vs Late Game

Early Game
Dr. Mundo
57.1%
+14.3% advantage
Kayn early game win rateKayn42.9%
Dr. Mundo early game win rateDr. Mundo57.1%
Late Game
Kayn
75.0%
+50.0% advantage
Kayn late game win rateKayn75.0%
Dr. Mundo late game win rateDr. Mundo25.0%

Dr. Mundo dominates the early game (first 15 minutes) with a commanding 57.1% win rate — a 14.3 percentage point lead over Kayn. This lopsided early game means Dr. Mundo can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Kayn is far superior in the late game (25+ minutes), boasting a 75.0% win rate — 50.0 points above Dr. Mundo. Extended games heavily favor Kayn, whose kit and scaling make them a dominant force in team fights and objective control.

This matchup features a dramatic power shift: Dr. Mundo must aggressively press their early advantage and close out the game before Kayn reaches their scaling breakpoints. If Kayn survives the laning phase without falling too far behind, the matchup flips in their favor. Dragon and Rift Herald control are pivotal — the team that secures early objectives can snowball or buy time to scale.

Best Kayn Runes Against Dr. Mundo

Precision rune tree - Kayn primary runes vs Dr. MundoPrecision
Conqueror - best Kayn rune vs Dr. MundoTriumph - best Kayn rune vs Dr. MundoLegend: Haste - best Kayn rune vs Dr. MundoLast Stand - best Kayn rune vs Dr. Mundo
Sorcery rune tree - Kayn secondary runes vs Dr. MundoSorcery
Axiom Arcanist - best Kayn rune vs Dr. MundoTranscendence - best Kayn rune vs Dr. Mundo
80.0% WR

Running Precision primary with Sorcery secondary allows Kayn to press their advantage against Dr. Mundo, amplifying the strengths that make this a favorable matchup.


Kayn matchup data for League of Legends patch 26.13. The table below shows Kayn's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Kayn build, runes, laning stats, and early vs late game analysis for that specific matchup.

Kayn matchup win rates and stats in League of Legends patch 26.13
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
49.65%1411.175413,10352.0%48.4%
60.32%1261.276512,72853.1%64.9%
61.67%1201.179012,85259.3%63.6%
44.83%1161.281212,69043.1%46.1%
43.36%1131.174412,42746.3%41.7%
49.07%1081.179012,47352.5%47.1%
43.48%921.068111,32451.2%36.7%
46.15%911.177313,31646.7%45.9%
51.81%831.273213,47463.3%45.3%
53.25%771.274713,23450.0%56.1%
52.00%751.176112,34257.6%47.6%
58.57%701.278313,53831.3%66.7%
59.09%661.178613,17358.6%59.5%
50.85%591.176811,77438.2%68.0%
45.76%591.368511,43544.4%46.9%
50.00%561.172612,02556.0%45.2%
58.18%551.077112,04651.7%65.4%
55.77%521.178112,72958.3%53.6%
52.00%501.690913,78662.5%47.1%
46.94%490.977812,68156.3%42.4%
48.98%491.079712,40950.0%48.3%
52.27%441.182313,24655.6%50.0%
56.82%441.386613,17847.4%64.0%
48.65%371.384513,53123.1%62.5%
62.16%370.972911,10755.6%68.4%
58.33%361.280713,25457.1%59.1%
58.33%361.178312,93552.9%63.2%
62.86%350.963911,60162.5%63.2%
44.12%341.177513,63954.5%39.1%
45.45%331.287613,20450.0%41.2%
46.88%321.673813,02346.1%47.4%
64.52%311.071313,13971.4%58.8%
41.94%311.276512,40526.7%56.3%
62.07%290.877511,12366.7%57.1%
53.85%261.079512,20069.2%38.5%
45.83%241.364712,49158.3%33.3%
68.18%223.777311,61777.8%61.5%
38.10%212.468111,85940.0%36.4%
61.90%213.478012,61457.1%64.3%
57.14%211.179012,91566.7%50.0%
61.90%211.389513,93771.4%57.1%
31.58%192.771310,88733.3%30.8%
47.37%191.074013,25933.3%53.9%
47.37%191.883311,78346.1%50.0%
63.16%192.386212,31142.9%75.0%
36.84%191.482212,46362.5%18.2%
50.00%181.986013,06150.0%50.0%
47.06%172.472612,23328.6%60.0%
52.94%171.872712,43757.1%50.0%
41.18%171.179611,92614.3%60.0%
52.94%171.295515,12940.0%58.3%
50.00%162.584512,14057.1%44.4%
43.75%162.175211,53527.3%80.0%
50.00%141.173011,97328.6%71.4%
57.14%141.299314,68628.6%85.7%
42.86%141.184612,54716.7%62.5%
72.73%114.797614,90266.7%75.0%
72.73%112.11,0369,75075.0%66.7%
54.55%111.388713,14750.0%55.6%
30.00%105.171311,96750.0%0.0%
60.00%101.670111,76350.0%66.7%
60.00%101.61,05014,9100.0%60.0%
40.00%107.078612,86750.0%33.3%
44.44%91.084213,29475.0%20.0%
55.56%91.162712,81350.0%60.0%
66.67%91.879814,78250.0%71.4%
77.78%91.380612,336100.0%66.7%
37.50%81.059511,26260.0%0.0%
50.00%84.199613,56333.3%60.0%
28.57%74.181414,04766.7%0.0%
57.14%71.879417,6160.0%57.1%
42.86%71.156013,0370.0%60.0%
14.29%75.585111,6160.0%25.0%
33.33%64.81,02214,241100.0%20.0%
50.00%66.398511,06233.3%66.7%
20.00%52.991216,3090.0%25.0%
60.00%55.199717,1900.0%75.0%
80.00%51.191814,465100.0%75.0%
40.00%56.076812,4630.0%100.0%
80.00%56.674211,71550.0%100.0%
40.00%51.06168,88133.3%50.0%

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Kayn vs Dr. Mundo - Frequently Asked Questions

How does Kayn do against Dr. Mundo in League of Legends?

Kayn wins the Kayn vs Dr. Mundo matchup with a 63.2% win rate compared to Dr. Mundo's 36.8%, a 26.3 percentage point difference. This data is based on 19 recent ranked games in patch 26.13.

How does Kayn do against Dr. Mundo in the early game?

In the early game, Dr. Mundo has the advantage against Kayn with a 57.1% win rate versus 42.9%. Dr. Mundo players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Kayn do against Dr. Mundo in the late game?

In the late game, Kayn takes over the Kayn vs Dr. Mundo matchup with a 75.0% win rate compared to 25.0%. Kayn scales better into team fights and objective contests after 25 minutes.

Who wins the Kayn vs Dr. Mundo matchup?

Kayn wins the matchup against Dr. Mundo with a 63.2% win rate in League of Legends patch 26.13. The 26.3 percentage point advantage means Kayn is significantly favored in this lane matchup based on 19 games analyzed.

What is the best Kayn build against Dr. Mundo?

The best Kayn build against Dr. Mundo includes Voltaic Cyclosword, Axiom Arc, Serpent's Fang with Ionian Boots of Lucidity. This build achieves a 50.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.

What are the best Kayn runes against Dr. Mundo?

The best Kayn runes against Dr. Mundo use the Precision primary tree with Sorcery secondary. This rune setup achieves a 80.0% win rate in the Kayn vs Dr. Mundo matchup. See the full rune breakdown in the matchup comparison above.

Does Kayn counter Dr. Mundo?

Yes, Kayn has a favorable matchup against Dr. Mundo with a 63.2% win rate. Kayn strongly counters Dr. Mundo in lane based on current patch 26.13 data.

How do I play Kayn against Dr. Mundo?

When playing Kayn against Dr. Mundo, leverage your statistical advantages by trading aggressively during favorable windows. Play safe early and scale into your power spikes where you outperform Dr. Mundo. Build the recommended items and runes for this specific matchup for the best results.