Gilles Muller defeated Roberto Bautista Agut 7-6 1-6 7-5 6-1 in the Australian Open round of 64 on hard. The upset overturned the form book — Roberto Bautista Agut came in leading the head-to-head 6–0, defending last year's round of 16. Gilles Muller claimed a first win over Roberto Bautista Agut in seven meetings, narrowing the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-02-06 | Sofia | QF | hard | Roberto Bautista Agut | 7-5 7-6 |
| 2016-08-11 | Rio de Janeiro | R16 | clay | Roberto Bautista Agut | 6-4 7-6(4) |
| 2016-08-08 | Rio Olympics | R16 | hard | Roberto Bautista Agut | 6-4 7-6 |
| 2016-02-01 | Sofia | SF | hard | Roberto Bautista Agut | 7-6 6-4 |
| 2013-05-27 | Roland Garros | R128 | clay | Roberto Bautista Agut | 6-3 6-4 6-2 |
| 2013-05-19 | Dusseldorf | R32 | clay | Roberto Bautista Agut | 2-6 6-4 6-2 |
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
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