John Sperle defeated Filip Cristian Jianu 6-4 6-7 6-3 in the M15 Antalya 17 round of 32 on clay. The upset overturned the form book — Filip Cristian Jianu came in ranked #279, leading the head-to-head 2–0, but John Sperle had been the form player, winning 4 of their last 8 on clay. John Sperle claimed a first win over Filip Cristian Jianu in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-03-21 | M15 Antalya 7 | R16 | clay | Filip Cristian Jianu | 6-3 7-5 |
| 2023-08-17 | M25 Ystad 1 | R16 | clay | Filip Cristian Jianu | 6-4 6-2 |
Averages over each player's completed matches in the selected window (24 vs 99). 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