 USA: US Open - Singles - Main |
|---|
| 1/64-finals | Muller G. | Sonego L. | 2:3 (62:7, 7:69, 7:5, 66:7, 2:6) | details | 27.08.2018 |
 Canada: Vancouver - Singles - Main |
|---|
| 1/8-finals | Muller G. | Maden Y. | 0:2 (4:6, 67:7) | details | 15.08.2018 |
| 1/16-finals | Muller G. | Eubanks C. | 2:1 (6:4, 4:6, 6:3) | details | 14.08.2018 |
 Mexico: Los Cabos - Singles - Main |
|---|
| 1/16-finals | Muller G. | Halys Q. | 0:2 (4:6, 4:6) | details | 01.08.2018 |
| USA: Newport - Singles - Main |
|---|
| 1/8-finals | Granollers M. | Muller G. | 2:0 (7:5, 7:64) | details | 18.07.2018 |
| 1/16-finals | Baghdatis M. | Muller G. | 0:2 (65:7, 3:6) | details | 17.07.2018 |
 United Kingdom: Wimbledon - Singles - Main |
|---|
| 1/32-finals | Kohlschreiber P. | Muller G. | 3:0 (7:66, 7:64, 7:63) | details | 05.07.2018 |
| 1/64-finals | Muller G. | Mmoh M. | 3:2 (7:5, 4:6, 7:67, 3:6, 6:1) | details | 02.07.2018 |
| United Kingdom: Eastbourne - Singles - Main |
|---|
| 1/16-finals | Muller G. | Millman J. | 1:2 (7:65, 3:6, 2:6) | details | 25.06.2018 |
| United Kingdom: London - Singles - Main |
|---|
| 1/8-finals | Cilic M. | Muller G. | 2:1 (4:6, 6:3, 6:3) | details | 20.06.2018 |
| 1/16-finals | Shapovalov D. | Muller G. | 0:2 (67:7, 66:7) | details | 18.06.2018 |
 Netherlands: Hertogenbosch - Singles - Main |
|---|
| 1/8-finals | Muller G. | Ebden M. | 0:2 (3:6, 5:7) | details | 13.06.2018 |
 France: French Open - Singles - Main |
|---|
| 1/64-finals | Gulbis E. | Muller G. | 3:1 (2:6, 6:4, 6:4, 6:3) | details | 28.05.2018 |
 Italy: Rome - Singles - Main |
|---|
| 1/32-finals | Bedene A. | Muller G. | 2:0 (6:4, 6:4) | details | 14.05.2018 |
 Portugal: Estoril - Singles - Main |
|---|
| 1/8-finals | Tiafoe F. | Muller G. | 2:0 (6:4, 7:5) | details | 02.05.2018 |
 Monaco: Monte Carlo - Singles - Main |
|---|
| 1/16-finals | Muller G. | Zverev A. | 1:2 (6:4, 3:6, 2:6) | details | 17.04.2018 |
| 1/32-finals | Mayer F. | Muller G. | 0:2 (5:7, 4:6) | details | 16.04.2018 |
 World: Davis Cup - Group II - Singles - Main |
|---|
| | Muller G. | Tsivadze G. | CAN. | details | 08.04.2018 |
| | Muller G. | Tkemaladze Z. | 2:0 (6:3, 6:2) | details | 07.04.2018 |
| USA: Miami - Singles - Main |
|---|
| 1/32-finals | Youzhny M. | Muller G. | 2:1 (4:6, 6:4, 6:2) | details | 23.03.2018 |
| USA: Indian Wells - Singles - Main |
|---|
| 1/32-finals | Herbert P. | Muller G. | 2:0 (6:3, 7:5) | details | 11.03.2018 |
| France: Marseille - Singles - Main |
|---|
| 1/8-finals | Muller G. | Mahut N. | 1:2 (6:3, 2:6, 4:6) | details | 22.02.2018 |
| 1/16-finals | Muller G. | Stakhovsky S. | 2:0 (7:5, 6:3) | details | 21.02.2018 |
| 1/16-finals | Muller G. | Medvedev D. | CAN. | details | 21.02.2018 |
| Netherlands: Rotterdam - Singles - Main |
|---|
| 1/16-finals | Medvedev D. | Muller G. | 2:0 (6:4, 7:69) | details | 13.02.2018 |
| 1/16-finals | Sousa J. | Muller G. | CAN. | details | 12.02.2018 |
 Bulgaria: Sofia - Singles - Main |
|---|
| Quarter-finals | Copil M. | Muller G. | 2:0 (6:4, 6:4) | details | 09.02.2018 |
| 1/8-finals | Seppi A. | Muller G. | 1:2 (6:4, 65:7, 62:7) | details | 08.02.2018 |
 Australia: Australian Open - Singles - Main |
|---|
| 1/16-finals | Carreno-Busta P. | Muller G. | 3:1 (7:64, 4:6, 7:5, 7:5) | details | 19.01.2018 |
| 1/32-finals | Jaziri M. | Muller G. | 2:3 (5:7, 4:6, 7:65, 6:3, 2:6) | details | 17.01.2018 |
| 1/64-finals | Delbonis F. | Muller G. | 0:3 (5:7, 4:6, 3:6) | details | 15.01.2018 |
| Australia: Sydney - Singles - Main |
|---|
| Quarter-finals | Paire B. | Muller G. | 2:0 (6:4, 6:4) | details | 11.01.2018 |
| 1/8-finals | Millman J. | Muller G. | 0:2 (65:7, 4:6) | details | 10.01.2018 |
| Australia: Brisbane - Singles - Main |
|---|
| 1/16-finals | Chung H. | Muller G. | 2:0 (6:3, 7:61) | details | 02.01.2018 |
| France: Metz - Singles - Main |
|---|
| 1/8-finals | Basilashvili N. | Muller G. | 2:0 (6:4, 6:4) | details | 21.09.2017 |
| USA: US Open - Singles - Main |
|---|
| 1/32-finals | Lorenzi P. | Muller G. | 3:1 (64:7, 6:3, 7:64, 6:3) | details | 30.08.2017 |
| 1/64-finals | Tomic B. | Muller G. | 1:3 (6:3, 3:6, 4:6, 4:6) | details | 28.08.2017 |
| USA: Cincinnati - Singles - Main |
|---|
| 1/16-finals | Ramos A. | Muller G. | 2:1 (5:7, 6:4, 6:4) | details | 16.08.2017 |
| 1/32-finals | Harrison R. | Muller G. | 1:2 (4:6, 7:5, 63:7) | details | 13.08.2017 |
| Canada: Montreal - Singles - Main |
|---|
| 1/32-finals | Querrey S. | Muller G. | CAN. | details | 08.08.2017 |
| USA: Washington - Singles - Main |
|---|
| 1/8-finals | Paul T. | Muller G. | 2:1 (63:7, 6:4, 6:3) | details | 04.08.2017 |
| 1/16-finals | Tursunov D. | Muller G. | 0:2 (1:6, 2:6) | details | 03.08.2017 |
