Colin Markes defeated Christian Langmo 6-3 3-6 7-6 in the M25 Austin 1 round of 16 on hard. The upset overturned the form book — Christian Langmo came in leading the head-to-head 1–0. Colin Markes claimed a first win over Christian Langmo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-22 | M15 Cancun 1 | R32 | hard | Christian Langmo | 7-6(5) 4-6 6-2 |
Averages over each player's completed matches in the selected window (32 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