How does Over 38.5 win in this market?

Over wins if the match reaches at least 39 total games. For example, a four- or five-set match, or several close sets, could push the total over 38.5 games.

How are tiebreaks counted for the total games line?

Each tiebreak counts as one game toward the match total, including any Champions or Super tiebreak if applicable under the market rules.

What happens if Griekspoor vs. Arnaldi starts but is not completed?

If the match begins but is not completed, the market resolves 50-50 according to the listed rules. If it is cancelled before starting, the cancellation rules apply.

What smart money activity is PolySpotter tracking?

PolySpotter currently tracks $7,000 in smart money and 1 signal for this market, with a recent alert showing a 99% winner buying Over.

Part of: Roland Garros ATP: Tallon Griekspoor vs Matteo Arnaldi

Griekspoor vs. Arnaldi: Match O/U 38.5

Q: What is the Griekspoor vs. Arnaldi over/under 38.5 market?

It is a tennis prediction market on whether the Roland Garros match between Tallon Griekspoor and Matteo Arnaldi will have 39 or more total completed games across all sets.

This prediction market covers whether Tallon Griekspoor vs. Matteo Arnaldi at Roland Garros will total at least 39 completed games. It resolves to Over at 39 or more games and Under at 38 or fewer, with resolution expected by May 31, 2026. PolySpotter is tracking $7,000 in smart money and 1 recent signal, including winner buying on Over.

This market refers to the tennis match between Tallon Griekspoor and Matteo Arnaldi in the Roland Garros ATP, originally scheduled for May 24, 2026 at 5:00AM ET. This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 39. 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.

1 smart money signal detected, totaling $7,000.

Categories: Tennis, Sports, Games

Notable Trades

99% winner buying Over

Elite profitable bettor with a 99% resolved win rate made a $7,000 Over bet in an otherwise inactive tennis totals market.

This bettor has won 423 of 429 resolved bets and is up about $6.1M lifetime.
The $7,000 buy dwarfed the market’s recent activity, which showed only $7 of 24h volume before the alert.
Entry at 56¢ suggests a focused view that this tennis match total is more likely to go Over 38.5 games.

$7,000 on Over | Wallet win rate: 99%