Fitriadi M Rifqi defeated Sam Ryan Ziegann 6-1 7-6 in the M15 Nonthaburi 2 q16 on hard. The upset overturned the form book — Sam Ryan Ziegann came in leading the head-to-head 1–0. Fitriadi M Rifqi claimed a first win over Sam Ryan Ziegann in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-09-04 | M25 Bali 1 | R16 | hard | Sam Ryan Ziegann | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.