Henri Laaksonen defeated Denis Istomin 6-3 6-3 in the Helsinki CH round of 32 on hard. The upset overturned the form book — Denis Istomin came in leading the head-to-head 1–0. Henri Laaksonen claimed a first win over Denis Istomin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-09-16 | Davis Cup WG PO: SUI vs UZB | RR | clay | Denis Istomin | 6-7 7-6 7-6 7-5 |
Averages over each player's completed matches in the selected window (156 vs 82). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About