Diego Augusto Barreto Sanchez defeated Ryan Nijboer 5-7 6-0 6-3 in the M15 Monastir 5 round of 32 on hard. The upset overturned the form book — Ryan Nijboer came in ranked #508, leading the head-to-head 1–0. Diego Augusto Barreto Sanchez claimed a first win over Ryan Nijboer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-12-07 | M15 Madrid 3 | R16 | clay | Ryan Nijboer | 6-2 6-1 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Nijboer R.: 5 days rest · 2 matches, 32 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About