LoL: T1 vs Team Liquid (BO5) - Mid-Season Invitational Play-In

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Market context

T1 and Team Liquid face off in the Upper Bracket semifinal 2 of the Mid-Season Invitational Play-In, a best-of-five clash set for 4:00 AM ET on 28 June. The crowd-implied probability sits at 84% YES for T1, reflecting their status as the overwhelming favourite, while Team Liquid remain the underdog with minimal historical success against the Korean side in this format. Strafe users echo this consensus, predicting a T1 win with 93.6% of votes, yet a recent YouTube analysis suggests Team Liquid’s chance may have risen from a nominal 5% to a more credible 20%, citing improved squad cohesion and the double-elimination structure as catalysts for contrarian value [1][2].

Historically, LCS teams have struggled to overcome T1 at MSI, with no best-of-five series victory recorded against them in years, and T1’s dominance in the tournament remains unmatched since their inaugural 2015 appearance [2][8]. However, G2 Esports’ 2023 semi-final win over T1—secured in a fifth game with Pyke top—demonstrates that even elite Korean sides can fall when regional underdogs execute under pressure [5]. Traders should monitor pre-match announcements regarding roster availability, any late schedule shifts, and the outcome of Team Liquid’s prior Play-In matches, which could influence momentum or fatigue levels. A recent Invenglobal report confirms the match is scheduled to begin on 28 June in Daejeon, with no indication of cancellation or delay at this stage [8].

The value spot for contrarian traders lies in the 16% NO price, which may understate Team Liquid’s improved form and the psychological weight of double elimination. While consensus heavily favours T1, the 20% win probability cited by Team Liquid insiders suggests the market may be slightly mispricing the underdog’s potential [2]. No moralising on trade decisions is offered; the facts remain that T1 holds the record for most MSI appearances, but underdogs have occasionally broken through when conditions align. Watch for any official roster updates or schedule confirmations before the settlement window closes on 28 June at 09:00 UTC [10].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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On Who Will Win, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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