Perry Gregg defeated Shunsuke Mitsui 6-3 7-6 in the M15 Ithaca 2 round of 32 on hard. The upset overturned the form book — Shunsuke Mitsui came in leading the head-to-head 1–0. Perry Gregg claimed a first win over Shunsuke Mitsui in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-06-08 | M25 East Lansing 1 | R32 | hard | Shunsuke Mitsui | 6-7(5) 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.