Dominic Thiem defeated Martin Klizan 6-1 6-4 in the Monte Carlo Masters round of 32 on clay. The upset overturned the form book — Martin Klizan came in leading the head-to-head 3–2. Dominic Thiem narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-09-17 | St. Petersburg | F | carpet | Dominic Thiem | 6-3 6-1 |
| 2018-07-30 | Kitzbuhel | R16 | clay | Martin Klizan | 6-1 1-6 7-5 |
| 2015-08-16 | Cincinnati Masters | R64 | hard | Martin Klizan | 7-6(5) 3-6 7-6(4) |
| 2014-01-13 | Australian Open | Q3 | hard | Dominic Thiem | 6-2 7-5 |
| 2012-07-22 | Kitzbuhel | R32 | clay | Martin Klizan | 6-1 3-6 7-5 |
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 (200 vs 131). ATP, WTA & Challenger.