Nicolas Almagro defeated Denis Istomin 6-2 7-6 in the Genova CH quarter-final on clay. The upset overturned the form book — Denis Istomin came in leading the head-to-head 6–0. Nicolas Almagro claimed a first win over Denis Istomin in seven meetings, narrowing the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-06-27 | Wimbledon | R64 | grass | Denis Istomin | 6-4 7-6(5) 6-2 |
| 2015-07-20 | Bastad | R16 | clay | Denis Istomin | 6-3 6-3 |
| 2015-06-21 | Nottingham | R64 | grass | Denis Istomin | 6-1 6-4 |
| 2013-08-26 | US Open | R128 | hard | Denis Istomin | 6-3 6-1 4-6 6-3 |
| 2010-07-19 | Hamburg | R32 | clay | Denis Istomin | 7-6(5) 7-6(7) |
| 2010-06-13 | Eastbourne | R16 | grass | Denis Istomin | 6-4 1-0 RET |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (89 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About