Shintaro Imai defeated Christian Langmo 7-5 2-6 7-6 in the M25 Sintra 1 round of 32 on hard. Shintaro Imai extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-06-03 | M25 Santo Domingo 1 | R16 | hard | Christian Langmo | 6-7(4) 7-5 7-5 |
| 2021-04-27 | M15 Monastir 15 | R32 | hard | Shintaro Imai | 5-0 |
Averages over each player's completed matches in the selected window (34 vs 179). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About