What does Over 21.5 mean in Kostyuk vs. Andreeva?

Over 21.5 means the match must have 22 or more total completed games across all sets. For example, a 7-5, 6-4 match would total 22 games and resolve Over.

What does Under 21.5 mean for this tennis total?

Under 21.5 wins if the match finishes with 21 or fewer total games. Straight-set matches with one player winning relatively comfortably are more likely to stay Under.

How are tiebreaks counted in this Polymarket?

All tiebreaks, including any Champions or Super tiebreak, count as one game toward the total number of games.

What happens if Kostyuk vs. Andreeva starts but is not completed?

If the match begins but is not completed, this market resolves 50-50 according to the market rules.

Why track smart money for this market?

Smart money signals can show where historically successful traders are placing bets. PolySpotter has tracked $3,945 in smart money activity on this Kostyuk vs. Andreeva games total market.

Part of: Roland Garros WTA: Marta Kostyuk vs Mirra Andreeva

Kostyuk vs. Andreeva: Match O/U 21.5

This Polymarket tennis total covers whether Marta Kostyuk vs. Mirra Andreeva at Roland Garros will finish with 22 or more total games, or stay under 21.5 games. The market resolves to Over if completed games across all sets reach at least 22, with tiebreaks counted as one game, and is scheduled to resolve by June 11, 2026 at 13:00 UTC. PolySpotter currently tracks $3,945 in smart money activity and 1 smart money signal on this market, including recent Under-side buying alerts.

This market refers to the tennis match between Marta Kostyuk and Mirra Andreeva in the Roland Garros WTA, originally scheduled for June 4, 2026 at 9:00AM ET. This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total. If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50. Resolution will be based on official Grand Slam statistics.

2 smart money signals detected, totaling $5,945.

Categories: Tennis, Sports, Games

Notable Trades

95% winner buying Under

Elite tennis/sports bettor with a 95% resolved win rate and strong cross-market track record bought Under 21.5 games at 46¢.

This bettor wins 95% of resolved trades and is up $272K lifetime.
They have a long cross-market record: 49 events, 52 markets, and $171K traded with the same 95% hit rate.
Entry at 46¢ implies a better-than-even payout if the match stays under 22 total games.

$3,945 on Under | Wallet win rate: 95%

90% winner on tennis totals

Elite tennis bettor with a 90% resolved win rate and $264k profit is buying Over 21.5, with supporting signals from thin-market size and long-running cross-market success.

This bettor wins 90% of resolved trades and is up $264k lifetime.
They have traded 191 related events with the same 90% win rate, suggesting a repeatable edge.
The $2,000 buy at 55¢ is large relative to this market’s earlier activity and backs a competitive match going 22+ games.

$2,000 on Over | Wallet win rate: 90%