Colin Van Beem defeated Olexiy Kolisnyk 6-2 6-1 in the Poland F6 qualifying round on clay. The upset overturned the form book — Olexiy Kolisnyk came in leading the head-to-head 1–0. Colin Van Beem claimed a first win over Olexiy Kolisnyk in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-24 | Poland F7 | SF | clay | Olexiy Kolisnyk | 6-0 6-2 |