
Marin Cilic defeated Denis Istomin 6-1 6-4 6-3 in the US Open round of 32 on hard. The result followed the form book — Marin Cilic came in leading the head-to-head 6–1, defending last year's round of 32. Marin Cilic extended the head-to-head to 7–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-02-08 | Rotterdam | R32 | hard | Marin Cilic | 7-6(5) 6-4 |
| 2015-10-19 | Moscow | R16 | hard | Marin Cilic | 7-6(3) 3-6 6-3 |
| 2014-08-04 | Canada Masters | R64 | hard | Marin Cilic | 6-2 4-6 7-5 |
| 2014-01-06 | Sydney | R16 | hard | Denis Istomin | 6-3 6-4 |
| 2013-12-29 | Brisbane | R32 | hard | Marin Cilic | 6-7(3) 7-6(5) 6-4 |
| 2010-08-01 | Washington | R32 | hard | Marin Cilic | 6-4 6-2 |
| 2009-01-05 | Chennai | R16 | hard | Marin Cilic | 6-0 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (199 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Cilic M.: 14 days rest · 1 match (14d). Higher means fresher. About