Guy Den Heijer defeated Joao Lucas Reis Da Silva 6-4 6-1 in the M15 Den Haag 1 round of 32 on clay. The upset overturned the form book — Joao Lucas Reis Da Silva came in leading the head-to-head 1–0. Guy Den Heijer claimed a first win over Joao Lucas Reis Da Silva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-01-29 | M15 Antalya 4 | Q16 | clay | Joao Lucas Reis Da Silva | 6-3 6-3 |
Averages over each player's completed matches in the selected window (152 vs 199). 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