
Sejuanivs Master Yi
Sejuani vs Master Yi is a moderate matchup in LoL patch 26.7. Sejuani wins with a 51.3% win rate (+2.6%) over Master Yi based on 39 games. Sejuani wins the early laning phase while Master Yi scales better into the late game. Below you'll find the best Sejuani build, runes, laning stats, and strategies for the Sejuani vs Master Yi matchup.
Sejuani Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Sejuani 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.
Who Wins the Sejuani vs Master Yi Matchup?

Sejuani vs Master Yi Matchup Summary
The Sejuani vs Master Yi matchup is a very close matchup in League of Legends ranked play. Based on 39 recent matches analyzed, Sejuani wins with a 51.3% win rate compared to Master Yi's 48.7%, giving Sejuani a 2.6 percentage point advantage. Game phase dynamics play a critical role here: Sejuani controls the early laning stage, but Master Yi outscales as the game goes longer. The matchup shifts dramatically depending on game length — Sejuani needs to press advantages before Master Yi reaches their power spikes, while Master Yi should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in crowd control, where Sejuani leads by 0.8s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Sejuani has a statistical edge, but the margin is close enough that respecting Master Yi's strengths is important. Trade when cooldowns are favorable, track the enemy jungler, and build toward your strongest item spikes to convert the slight advantage into a decisive lead. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.
Sejuani vs Master Yi Laning Phase Breakdown
Sejuani is favored during the laning phase against Master Yi, winning 3 out of 5 key stat categories. Sejuani holds advantages in farming, crowd control and sustain, making them the stronger laner in this matchup.
Best Sejuani Build Against Master Yi
Plated Steelcaps is the optimal boots choice against Master Yi, providing the mobility and stats Sejuani needs most in this matchup. The top-performing core items for Sejuani against Master Yi are Jak'Sho, The Protean, Heartsteel and Thornmail. This combination gives Sejuani an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 75.0% win rate across 4 games — well above average and making it the top item path against Master Yi. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Sejuani vs Master Yi matchup.
Early Game vs Late Game
Sejuani dominates the early game (first 15 minutes) with a commanding 55.6% win rate — a 11.1 percentage point lead over Master Yi. This lopsided early game means Sejuani can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.
In the late game (25+ minutes), Master Yi takes over with a 52.4% win rate, leading Sejuani by 4.8 percentage points. Master Yi scales more effectively into team fights and objective contests.
This matchup features a dramatic power shift: Sejuani must aggressively press their early advantage and close out the game before Master Yi reaches their scaling breakpoints. If Master Yi 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 Sejuani Runes Against Master Yi
The Resolve primary with Domination secondary combination helps Sejuani maximize their potential in this closely contested matchup, providing the right mix of offensive and defensive tools to edge out Master Yi.
Sejuani matchup data for League of Legends patch 26.7. The table below shows Sejuani'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 Sejuani build, runes, laning stats, and early vs late game analysis for that specific matchup.
Opponent | Win Rate | Matches | CS/min | DMG/min | Gold/game | Early WR | Late WR |
|---|---|---|---|---|---|---|---|
| 50.00% | 66 | 0.9 | 558 | 11,222 | 40.7% | 56.4% | |
| 35.94% | 64 | 1.1 | 563 | 10,830 | 34.4% | 37.5% | |
| 51.67% | 60 | 1.0 | 663 | 11,690 | 50.0% | 52.9% | |
| 61.11% | 54 | 1.0 | 533 | 11,821 | 66.7% | 57.6% | |
| 44.68% | 47 | 1.2 | 587 | 11,732 | 22.7% | 64.0% | |
| 45.65% | 46 | 1.2 | 557 | 11,660 | 47.6% | 44.0% | |
| 39.02% | 41 | 1.0 | 585 | 12,850 | 46.1% | 35.7% | |
| 51.28% | 39 | 0.9 | 543 | 11,008 | 55.6% | 47.6% | |
| 63.89% | 36 | 1.3 | 611 | 12,288 | 58.3% | 66.7% | |
| 50.00% | 34 | 1.0 | 583 | 12,212 | 50.0% | 50.0% | |
| 61.29% | 31 | 1.6 | 725 | 11,302 | 50.0% | 70.6% | |
| 41.38% | 29 | 1.0 | 698 | 12,377 | 22.2% | 50.0% | |
| 39.29% | 28 | 1.5 | 569 | 12,565 | 44.4% | 36.8% | |
| 55.56% | 27 | 0.9 | 514 | 13,083 | 85.7% | 45.0% | |
| 56.00% | 25 | 1.0 | 627 | 13,496 | 50.0% | 57.9% | |
| 41.67% | 24 | 1.9 | 669 | 11,940 | 50.0% | 35.7% | |
| 40.91% | 22 | 1.0 | 561 | 11,308 | 55.6% | 30.8% | |
| 55.00% | 20 | 0.8 | 583 | 11,515 | 50.0% | 60.0% | |
| 45.00% | 20 | 1.0 | 666 | 12,731 | 37.5% | 50.0% | |
| 40.00% | 20 | 1.0 | 579 | 11,867 | 50.0% | 33.3% | |
| 55.00% | 20 | 1.1 | 666 | 12,085 | 50.0% | 56.3% | |
| 52.63% | 19 | 1.7 | 596 | 10,845 | 36.4% | 75.0% | |
| 73.68% | 19 | 1.8 | 660 | 12,710 | 100.0% | 54.5% | |
| 61.11% | 18 | 0.7 | 541 | 11,184 | 58.3% | 66.7% | |
| 50.00% | 18 | 2.9 | 686 | 10,488 | 33.3% | 66.7% | |
| 77.78% | 18 | 2.1 | 651 | 12,142 | 71.4% | 81.8% | |
| 47.06% | 17 | 2.4 | 667 | 12,574 | 50.0% | 45.5% | |
| 70.59% | 17 | 6.5 | 806 | 11,522 | 57.1% | 80.0% | |
| 70.59% | 17 | 1.3 | 697 | 13,166 | 71.4% | 70.0% | |
| 52.94% | 17 | 3.2 | 760 | 11,094 | 55.6% | 50.0% | |
| 56.25% | 16 | 1.0 | 703 | 12,536 | 66.7% | 50.0% | |
| 62.50% | 16 | 1.2 | 575 | 11,146 | 80.0% | 54.5% | |
| 68.75% | 16 | 0.9 | 482 | 12,050 | 71.4% | 66.7% | |
| 40.00% | 15 | 3.0 | 602 | 12,233 | 37.5% | 42.9% | |
| 57.14% | 14 | 1.4 | 559 | 11,250 | 71.4% | 42.9% | |
| 50.00% | 14 | 3.4 | 610 | 9,372 | 44.4% | 60.0% | |
| 46.15% | 13 | 0.9 | 566 | 11,263 | 57.1% | 33.3% | |
| 46.15% | 13 | 1.0 | 633 | 12,831 | 60.0% | 37.5% | |
| 25.00% | 12 | 3.1 | 722 | 11,371 | 40.0% | 14.3% | |
| 50.00% | 12 | 2.7 | 690 | 12,746 | 33.3% | 55.6% | |
| 63.64% | 11 | 1.0 | 737 | 13,069 | 75.0% | 57.1% | |
| 27.27% | 11 | 3.0 | 731 | 10,066 | 33.3% | 20.0% | |
| 36.36% | 11 | 1.3 | 711 | 13,573 | 50.0% | 28.6% | |
| 45.45% | 11 | 1.1 | 657 | 14,726 | 50.0% | 42.9% | |
| 50.00% | 10 | 5.5 | 755 | 11,365 | 33.3% | 75.0% | |
| 60.00% | 10 | 1.1 | 547 | 10,527 | 50.0% | 66.7% | |
| 70.00% | 10 | 1.5 | 513 | 9,849 | 62.5% | 100.0% | |
| 40.00% | 10 | 1.1 | 567 | 12,469 | 33.3% | 42.9% | |
| 55.56% | 9 | 4.9 | 766 | 11,923 | 25.0% | 80.0% | |
| 11.11% | 9 | 4.2 | 781 | 11,883 | 25.0% | 0.0% | |
| 77.78% | 9 | 3.0 | 751 | 12,389 | 50.0% | 85.7% | |
| 77.78% | 9 | 0.9 | 568 | 12,318 | 100.0% | 71.4% | |
| 77.78% | 9 | 0.9 | 376 | 11,615 | 75.0% | 80.0% | |
| 77.78% | 9 | 1.1 | 704 | 13,219 | 100.0% | 66.7% | |
| 37.50% | 8 | 5.4 | 684 | 11,446 | 75.0% | 0.0% | |
| 75.00% | 8 | 3.1 | 588 | 9,723 | 66.7% | 100.0% | |
| 14.29% | 7 | 1.2 | 448 | 7,284 | 25.0% | 0.0% | |
| 42.86% | 7 | 6.2 | 727 | 9,542 | 50.0% | 33.3% | |
| 28.57% | 7 | 1.6 | 594 | 10,293 | 0.0% | 40.0% | |
| 28.57% | 7 | 0.8 | 691 | 13,472 | 100.0% | 16.7% | |
| 57.14% | 7 | 1.6 | 615 | 13,025 | 0.0% | 57.1% | |
| 28.57% | 7 | 1.1 | 544 | 10,294 | 33.3% | 0.0% | |
| 42.86% | 7 | 3.0 | 546 | 10,315 | 50.0% | 33.3% | |
| 66.67% | 6 | 2.8 | 715 | 12,188 | 66.7% | 66.7% | |
| 66.67% | 6 | 3.8 | 464 | 10,551 | 100.0% | 0.0% | |
| 50.00% | 6 | 2.0 | 731 | 11,691 | 0.0% | 100.0% | |
| 33.33% | 6 | 4.2 | 699 | 10,756 | 0.0% | 50.0% | |
| 50.00% | 6 | 1.6 | 638 | 13,721 | 0.0% | 75.0% | |
| 66.67% | 6 | 2.8 | 679 | 12,211 | 50.0% | 75.0% | |
| 33.33% | 6 | 3.2 | 718 | 11,108 | 0.0% | 66.7% | |
| 50.00% | 6 | 6.9 | 1,007 | 11,321 | 66.7% | 33.3% | |
| 66.67% | 6 | 5.4 | 779 | 9,576 | 33.3% | 100.0% | |
| 66.67% | 6 | 6.6 | 998 | 11,402 | 100.0% | 33.3% | |
| 50.00% | 6 | 6.5 | 632 | 7,732 | 60.0% | 0.0% | |
| 20.00% | 5 | 6.7 | 732 | 7,902 | 0.0% | 33.3% | |
| 60.00% | 5 | 1.0 | 697 | 13,797 | 0.0% | 75.0% | |
| 20.00% | 5 | 2.4 | 442 | 10,084 | 20.0% | 0.0% | |
| 40.00% | 5 | 4.5 | 663 | 12,440 | 0.0% | 50.0% | |
| 20.00% | 5 | 4.7 | 749 | 12,125 | 0.0% | 33.3% | |
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Sejuani vs Master Yi - Frequently Asked Questions
How does Sejuani do against Master Yi in League of Legends?
Sejuani wins the Sejuani vs Master Yi matchup with a 51.3% win rate compared to Master Yi's 48.7%, a 2.6 percentage point difference. This data is based on 39 recent ranked games in patch 26.7.
How does Sejuani do against Master Yi in the early game?
In the early game, Sejuani has the advantage against Master Yi with a 55.6% win rate versus 44.4%. Sejuani players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.
How does Sejuani do against Master Yi in the late game?
In the late game, Master Yi takes over the Sejuani vs Master Yi matchup with a 52.4% win rate compared to 47.6%. Master Yi scales better into team fights and objective contests after 25 minutes.
Who wins the Sejuani vs Master Yi matchup?
Sejuani wins the matchup against Master Yi with a 51.3% win rate in League of Legends patch 26.7. The 2.6 percentage point advantage means Sejuani is moderately favored in this lane matchup based on 39 games analyzed.
What is the best Sejuani build against Master Yi?
The best Sejuani build against Master Yi includes Jak'Sho, The Protean, Heartsteel, Thornmail with Plated Steelcaps. This build achieves a 75.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.
What are the best Sejuani runes against Master Yi?
The best Sejuani runes against Master Yi use the Resolve primary tree with Domination secondary. This rune setup achieves a 55.6% win rate in the Sejuani vs Master Yi matchup. See the full rune breakdown in the matchup comparison above.
Does Sejuani counter Master Yi?
Yes, Sejuani has a favorable matchup against Master Yi with a 51.3% win rate. Sejuani has a solid advantage over Master Yi in lane based on current patch 26.7 data.
How do I play Sejuani against Master Yi?
When playing Sejuani against Master Yi, leverage your statistical advantages by trading aggressively during favorable windows. You have early game priority — look for kills and zone control before first recall. Build the recommended items and runes for this specific matchup for the best results.
