Jakub Paul defeated Ondrej Krstev 7-5 6-4 in the M25 Prague 2 round of 32 on hard. The upset overturned the form book — Ondrej Krstev came in leading the head-to-head 1–0. Jakub Paul claimed a first win over Ondrej Krstev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-09 | M15 Bad Salzdetfurth 1 | R32 | carpet | Ondrej Krstev | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.