Alan Kohen defeated Jonathan Gray 6-3 6-3 in the M15 Arcadia 1 round of 32 on hard. The upset overturned the form book — Jonathan Gray came in leading the head-to-head 1–0. Alan Kohen claimed a first win over Jonathan Gray in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-26 | Greece F1 | R32 | hard | Jonathan Gray | 4-6 6-2 6-3 |