Ondrej Krstev defeated Andrew Paulson 6-4 6-1 in the M15 Olomouc 1 round of 32 on carpet. The upset overturned the form book — Andrew Paulson came in leading the head-to-head 1–0. Ondrej Krstev claimed a first win over Andrew Paulson in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-11-13 | M15 Milovice 1 | R32 | hard | Andrew Paulson | 6-7(3) 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.