Joao Eduardo Schiessl defeated Pedro Sakamoto 7-6 6-1 in the M25 Barueri 1 quarter-final on hard. The upset overturned the form book — Pedro Sakamoto came in ranked #497, leading the head-to-head 1–0. Joao Eduardo Schiessl claimed a first win over Pedro Sakamoto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-12 | M25 Medellin 1 | Q64 | clay | Pedro Sakamoto | 6-2 6-1 |
Averages over each player's completed matches in the selected window (34 vs 43). 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