 USA: Indian Wells - Singles - Main |
|---|
| 1/32-finals | Rogers S. | Gibbs N. | 2:0 (6:3, 6:4) | details | 03.03.2020 |
 Mexico: Acapulco - Singles - Qualification |
|---|
| Final | Errani S. | Gibbs N. | 2:0 (6:3, 6:0) | details | 24.02.2020 |
| Semi-finals | Contreras Gomez F. | Gibbs N. | 0:2 (2:6, 3:6) | details | 23.02.2020 |
| USA: Newport Beach - Singles - Main |
|---|
| 1/8-finals | Gibbs N. | Vandeweghe C. | 0:2 (5:7, 4:6) | details | 30.01.2020 |
| 1/16-finals | Gibbs N. | Baptiste H. | 2:0 (6:4, 6:4) | details | 28.01.2020 |
 Australia: Australian Open - Singles - Qualification |
|---|
| Semi-finals | Gibbs N. | Dart H. | 0:2 (2:6, 3:6) | details | 16.01.2020 |
| Quarter-finals | Gibbs N. | Bucsa C. | 2:1 (6:0, 2:6, 7:5) | details | 14.01.2020 |
 China: Shenzhen - Singles - Main |
|---|
| 1/16-finals | Rogers S. | Gibbs N. | 2:1 (6:3, 5:7, 6:4) | details | 06.01.2020 |
| China: Shenzhen - Singles - Qualification |
|---|
| Final | Paolini J. | Gibbs N. | 0:2 (3:6, 0:6) | details | 05.01.2020 |
| Semi-finals | Gibbs N. | Niculescu M. | 2:0 (6:3, 6:3) | details | 04.01.2020 |
 France: Limoges - Singles - Main |
|---|
| Semi-finals | Alexandrova E. | Gibbs N. | 2:0 (7:66, 6:2) | details | 21.12.2019 |
| Quarter-finals | Cirstea S. | Gibbs N. | 1:1 RET. (6:3, 3:6) | details | 20.12.2019 |
| 1/8-finals | Ponchet J. | Gibbs N. | 1:2 (6:1, 1:6, 2:6) | details | 18.12.2019 |
| 1/16-finals | Gibbs N. | Zidansek T. | 2:1 (4:6, 7:65, 6:3) | details | 16.12.2019 |
| China: Beijing - Singles - Qualification |
|---|
| Semi-finals | Gibbs N. | Doi M. | 1:2 (2:6, 6:3, 2:6) | details | 27.09.2019 |
| China: Wuhan - Singles - Qualification |
|---|
| Semi-finals | Gibbs N. | Pera B. | 0:2 (2:6, 5:7) | details | 20.09.2019 |
 Japan: Osaka - Singles - Main |
|---|
| 1/8-finals | Gibbs N. | Kerber A. | 0:2 (2:6, 4:6) | details | 18.09.2019 |
| 1/16-finals | Riske-Amritraj A. | Gibbs N. | 0:2 (4:6, 3:6) | details | 16.09.2019 |
| Japan: Osaka - Singles - Qualification |
|---|
| Final | Osuigwe W. | Gibbs N. | 0:2 (4:6, 3:6) | details | 15.09.2019 |
| Semi-finals | Shimizu A. | Gibbs N. | 0:2 (2:6, 3:6) | details | 14.09.2019 |
| USA: New Haven - Singles - Main |
|---|
| 1/8-finals | Gibbs N. | Brady J. | 0:2 (4:6, 3:6) | details | 05.09.2019 |
| 1/16-finals | Osuigwe W. | Gibbs N. | 0:2 (1:6, 3:6) | details | 04.09.2019 |
| 1/32-finals | Elie J. | Gibbs N. | 0:2 (3:6, 2:6) | details | 02.09.2019 |
| USA: US Open - Singles - Main |
|---|
| 1/64-finals | Halep S. | Gibbs N. | 2:1 (6:3, 3:6, 6:2) | details | 27.08.2019 |
| USA: US Open - Singles - Qualification |
|---|
| Final | Peng S. | Gibbs N. | 2:1 (6:3, 4:6, 6:3) | details | 23.08.2019 |
| Semi-finals | Anderson R. | Gibbs N. | WO. | details | 22.08.2019 |
| Quarter-finals | McPhee K. | Gibbs N. | 1:2 (2:6, 6:3, 1:6) | details | 20.08.2019 |
 Canada: Vancouver - Singles - Main |
|---|
| 1/16-finals | Gibbs N. | Shibahara E. | 1:2 (4:6, 6:4, 3:6) | details | 14.08.2019 |
| Canada: Toronto - Singles - Qualification |
|---|
| Semi-finals | Gibbs N. | Petkovic A. | 1:2 (7:5, 4:6, 3:6) | details | 03.08.2019 |
| USA: Honolulu - Singles - Main |
|---|
| Final | Arconada U. M. | Gibbs N. | 2:0 (6:0, 6:2) | details | 15.07.2019 |
| Semi-finals | Dolehide C. | Gibbs N. | 1:2 (4:6, 7:66, 4:6) | details | 13.07.2019 |
| Quarter-finals | Gleason Q. | Gibbs N. | 0:2 (3:6, 1:6) | details | 13.07.2019 |
| 1/8-finals | Parks A. | Gibbs N. | 0:2 (2:6, 2:6) | details | 12.07.2019 |
| 1/16-finals | Whittle S. | Gibbs N. | 1:2 (63:7, 6:4, 3:6) | details | 11.07.2019 |
| USA: W100 Bonita Springs, FL - Singles - Main |
|---|
| 1/16-finals | Anderson R. | Gibbs N. | 2:1 (2:6, 6:4, 6:1) | details | 08.05.2019 |
| USA: W100 Charleston, SC - Singles - Main |
|---|
| Quarter-finals | Gibbs N. | Juvan K. | 0:2 (1:6, 4:6) | details | 03.05.2019 |
| 1/8-finals | Gibbs N. | Anderson R. | 2:0 (6:4, 7:5) | details | 02.05.2019 |
| 1/16-finals | Gibbs N. | Karatantcheva S. | 2:0 (7:5, 6:1) | details | 01.05.2019 |
| USA: Palm Harbor - Singles - Main |
|---|
| Final | Gibbs N. | Krejcikova B. | 0:2 (0:6, 1:6) | details | 07.04.2019 |
| Semi-finals | Gibbs N. | Kovinic D. | 2:1 (6:1, 4:6, 6:2) | details | 06.04.2019 |
| Quarter-finals | Gibbs N. | Perez E. | 2:0 (6:1, 6:3) | details | 05.04.2019 |
| 1/8-finals | Gibbs N. | Dabrowski G. | 2:1 (6:4, 3:6, 7:5) | details | 04.04.2019 |
| 1/16-finals | Gibbs N. | Myers A. | 2:0 (6:2, 7:65) | details | 03.04.2019 |
| USA: Indian Wells - Singles - Qualification |
|---|
| Final | Diyas Z. | Gibbs N. | 2:0 (7:64, 7:5) | details | 05.03.2019 |
| Semi-finals | Gibbs N. | Ferro F. | 2:0 (6:2, 6:1) | details | 04.03.2019 |
| USA: Indian Wells - Singles - Main |
|---|
| Quarter-finals | Gibbs N. | Brady J. | 0:2 (5:7, 0:6) | details | 01.03.2019 |