

Sumit Nagal defeated Zdenek Kolar 6-4 in the Chisinau round of 16 on clay. The upset overturned the form book — Zdenek Kolar came in ranked #156, leading the head-to-head 1–0. Sumit Nagal claimed a first win over Zdenek Kolar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-05-16 | Czech Republic F2 | QF | clay | Zdenek Kolar | 1-6 6-4 7-5 |
Averages over each player's completed matches in the selected window (22 vs 32). 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