Dusan Lajovic defeated Dominic Thiem 6-3 6-3 in the Monte Carlo Masters round of 16 on clay. The upset overturned the form book — Dominic Thiem came in leading the head-to-head 5–0, defending last year's quarter-final. Dusan Lajovic claimed a first win over Dominic Thiem in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-05-21 | Lyon | SF | clay | Dominic Thiem | 6-4 5-7 6-4 |
| 2018-02-19 | Rio de Janeiro | R32 | clay | Dominic Thiem | 6-2 7-5 |
| 2017-02-20 | Rio de Janeiro | R16 | clay | Dominic Thiem | 6-2 7-5 |
| 2016-02-08 | Buenos Aires | QF | clay | Dominic Thiem | 6-4 6-2 |
| 2015-07-20 | Umag | R16 | clay | Dominic Thiem | 6-1 3-1 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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Lajovic D.: 1 day rest · 1 match, 30 games (7d). Higher means fresher. About