Adam Heinonen defeated Aristotelis Thanos 6-3 7-5 in the M15 Sofia 1 qualifying round of 16 on clay. The upset overturned the form book — Aristotelis Thanos came in ranked #809, leading the head-to-head 1–0. Adam Heinonen claimed a first win over Aristotelis Thanos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-30 | M25 Gentofte 1 | R32 | clay | Aristotelis Thanos | 6-0 2-6 6-2 |
Averages over each player's completed matches in the selected window (77 vs 96). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About