| Yokkaichi challenger |
Round |
Result |
H |
A |
| 30.11. |
|
Fonio G. - Watanuki Y. |
R16 |
3-6, 6-2, 7-5 |
5.02 |
1.15 |
| 26.11. |
|
Watanuki Y. - Shimizu Y. |
1R |
7-65, 6-4 |
1.24 |
3.98 |
| Yokohama challenger |
Round |
Result |
H |
A |
| 26.11. |
|
Watanuki Y. - Shimizu Y. |
F |
7-65, 6-4 |
1.25 |
3.57 |
| 25.11. |
|
Watanuki Y. - Mmoh M. |
SF |
6-4, 62-7, 6-0 |
1.50 |
2.49 |
| 24.11. |
|
Watanuki Y. - Fonio G. |
QF |
3-6, 6-2, 6-1 |
1.18 |
4.68 |
| 23.11. |
|
Watanuki Y. - Erhard M. |
R16 |
6-4, 6-3 |
1.09 |
6.94 |
| 21.11. |
|
Watanuki Y. - Hsu Y. |
1R |
6-3, 6-3 |
1.35 |
3.06 |
| Metz |
Round |
Result |
H |
A |
| 06.11. |
|
Mayot H. - Watanuki Y. |
1R |
6-4, 1-6, 6-4 |
2.75 |
1.45 |
| Paris |
Round |
Result |
H |
A |
| 29.10. |
|
Nishioka Y. - Watanuki Y. |
Q-R16 |
6-4, 6-4 |
2.06 |
1.73 |
| 28.10. |
|
Watanuki Y. - Mpetshi Perricard G. |
Q-1R |
6-4, 68-7, 6-3 |
1.46 |
2.66 |
| Tokyo (Japan Open) |
Round |
Result |
H |
A |
| 17.10. |
|
Ruud C. - Watanuki Y. |
1R |
7-66, 6-3 |
1.44 |
2.76 |
| Shanghai |
Round |
Result |
H |
A |
| 07.10. |
|
Fritz T. - Watanuki Y. |
2R |
7-62, 66-7, 6-4 |
1.22 |
4.26 |
| 05.10. |
|
Watanuki Y. - Shang J. |
1R |
7-67, 4-6, 6-4 |
1.65 |
2.24 |
| Asian Games |
Round |
Result |
H |
A |
| 30.09. |
|
Zhang Z. - Watanuki Y. |
F |
6-4, 7-67 |
|
|
| 28.09. |
|
Watanuki Y. - Hong S. |
SF |
6-2, 6-1 |
1.21 |
3.99 |
| 27.09. |
|
Watanuki Y. - Yevseyev D. |
QF |
6-1, 6-1 |
|
|
| 26.09. |
|
Watanuki Y. - Ramanathan R. |
R16 |
7-5, 63-7, 7-5 |
|
|
| 25.09. |
|
Watanuki Y. - Zayid M. |
2R |
6-2, 6-3 |
|
|
| Shanghai challenger |
Round |
Result |
H |
A |
| 10.09. |
|
O'Connell C. - Watanuki Y. |
F |
6-3, 7-5 |
2.17 |
1.65 |
| 09.09. |
|
Watanuki Y. - Shang J. |
SF |
6-4, 6-2 |
1.70 |
2.09 |
| 08.09. |
|
Watanuki Y. - Ly N. |
QF |
6-2, 6-0 |
1.09 |
6.78 |
| 07.09. |
|
Watanuki Y. - Haliak M. |
R16 |
6-1, 6-1 |
1.09 |
7.12 |
| 05.09. |
|
Watanuki Y. - Bolt A. |
1R |
6-4, 6-0 |
1.15 |
5.04 |
| US Open |
Round |
Result |
H |
A |
| 28.08. |
|
Mannarino A. - Watanuki Y. |
1R |
7-5, 63-7, 6-3, 7-5 |
1.53 |
2.52 |
| Stanford challenger |
Round |
Result |
H |
A |
| 18.08. |
|
Lestienne C. - Watanuki Y. |
SF |
|
2.32 |
1.58 |
| 17.08. |
|
Watanuki Y. - Duckworth J. |
QF |
6-1, 6-3 |
1.60 |
2.27 |
| 17.08. |
|
Watanuki Y. - Moreno De Alboran N. |
R16 |
7-5, 6-3 |
1.52 |
2.42 |
| 15.08. |
|
Watanuki Y. - Johnson S. |
1R |
7-5, 5-7, 6-4 |
1.65 |
2.16 |
| Washington |
Round |
Result |
H |
A |
| 03.08. |
|
Humbert U. - Watanuki Y. |
R16 |
6-0, 6-2 |
1.45 |
2.74 |
| 02.08. |
|
Watanuki Y. - Auger Aliassime F. |
2R |
7-610, 7-63 |
2.41 |
1.56 |
| 31.07. |
|
Watanuki Y. - Wu Y. |
1R |
1-4 |
2.36 |
1.59 |
| Wimbledon |
Round |
Result |
H |
A |
| 07.07. |
|
Zverev A. - Watanuki Y. |
2R |
6-4, 5-7, 6-2, 6-2 |
1.13 |
6.14 |
| 06.07. |
|
Watanuki Y. - Huesler M. |
1R |
65-7, 5-7, 7-65, 7-63, 6-3 |
1.80 |
2.04 |
| 29.06. |
|
Novak D. - Watanuki Y. |
Q-3R |
67-7, 6-3, 6-3, 6-4 |
2.26 |
1.63 |
| 28.06. |
|
Watanuki Y. - Celikbilek A. |
Q-2R |
7-64, 6-3 |
1.23 |
4.06 |
| 26.06. |
|
Watanuki Y. - Hong S. |
Q-1R |
7-64, 7-67 |
1.13 |
5.93 |
| Ilkley challenger |
Round |
Result |
H |
A |
| 20.06. |
|
Hijikata R. - Watanuki Y. |
1R |
7-68, 7-5 |
2.20 |
1.64 |
| Stuttgart |
Round |
Result |
H |
A |
| 14.06. |
|
Hurkacz H. - Watanuki Y. |
R16 |
4-6, 7-65, 7-65 |
1.29 |
3.57 |
| 12.06. |
|
Watanuki Y. - Lopez F. |
1R |
7-65, 6-3 |
1.32 |
3.39 |
| 11.06. |
|
Watanuki Y. - Hassan B. |
Q-QF |
7-5, 6-4 |
1.26 |
3.75 |
| 10.06. |
|
Watanuki Y. - Squire H. |
Q-R16 |
4-6, 7-5, 6-3 |
1.37 |
3.02 |
| French Open |
Round |
Result |
H |
A |
| 24.05. |
|
Lokoli L. - Watanuki Y. |
Q-2R |
4-6, 6-4, 6-3 |
2.37 |
1.57 |
| 23.05. |
|
Watanuki Y. - Pellegrino A. |
Q-1R |
6-2 |
1.55 |
2.38 |
| Turin challenger |
Round |
Result |
H |
A |
| 16.05. |
|
Caruso S. - Watanuki Y. |
1R |
2-6, 6-3, 6-4 |
3.01 |
1.36 |
| Cagliari challenger |
Round |
Result |
H |
A |
| 04.05. |
|
Gojo B. - Watanuki Y. |
R16 |
6-4, 7-5 |
1.94 |
1.81 |
| 03.05. |
|
Watanuki Y. - Monteiro T. |
1R |
6-4, 4-2 |
2.03 |
1.73 |
| Madrid |
Round |
Result |
H |
A |
| 29.04. |
|
Norrie C. - Watanuki Y. |
2R |
6-4, 7-65 |
1.23 |
4.20 |
| 27.04. |
|
Watanuki Y. - Moutet C. |
1R |
6-3, 6-3 |
1.52 |
2.54 |
| 25.04. |
|
Watanuki Y. - Kotov P. |
Q-2R |
67-7, 6-3, 7-63 |
2.05 |
1.74 |
| 24.04. |
|
Watanuki Y. - Delbonis F. |
Q-1R |
6-4, 7-65 |
1.91 |
1.86 |
| Houston |
Round |
Result |
H |
A |
| 04.04. |
|
Hanfmann Y. - Watanuki Y. |
1R |
6-4, 3-6, 6-2 |
1.42 |
2.88 |
| 02.04. |
|
Watanuki Y. - Meligeni Rodrigues Alves F. |
Q-QF |
7-5, 5-7, 6-4 |
1.63 |
2.24 |
| 01.04. |
|
Watanuki Y. - Pecotic M. |
Q-R16 |
7-64, 6-4 |
1.22 |
4.05 |
| Miami |
Round |
Result |
H |
A |
| 26.03. |
|
Tiafoe F. - Watanuki Y. |
2R |
65-7, 7-63, 6-4 |
1.17 |
5.24 |
| 23.03. |
|
Watanuki Y. - Paire B. |
1R |
6-4, 7-5 |
1.57 |
2.42 |
| 21.03. |
|
Watanuki Y. - O'Connell C. |
Q-2R |
6-4, 6-4 |
2.27 |
1.60 |
| 20.03. |
|
Watanuki Y. - Blockx A. |
Q-1R |
3-6, 6-3, 6-0 |
1.08 |
7.37 |
| Phoenix challenger |
Round |
Result |
H |
A |
| 13.03. |
|
Ponwith N. - Watanuki Y. |
Q-1R |
7-62, 6-2 |
8.15 |
1.06 |
| Indian Wells |
Round |
Result |
H |
A |
| 07.03. |
|
Shang J. - Watanuki Y. |
Q-1R |
7-61, 7-63 |
2.84 |
1.41 |
| Monterrey challenger |
Round |
Result |
H |
A |
| 26.02. |
|
Gojo B. - Watanuki Y. |
SF |
7-65, 6-4 |
1.91 |
1.83 |
| 25.02. |
|
Watanuki Y. - Kudla D. |
QF |
3-6, 7-63, 6-2 |
1.69 |
2.11 |
| 23.02. |
|
Watanuki Y. - Paire B. |
R16 |
7-62, 6-1 |
1.22 |
4.04 |
| 21.02. |
|
Watanuki Y. - Van Deinse J. |
1R |
6-0, 6-1 |
1.01 |
14.88 |
| Australian Open |
Round |
Result |
H |
A |
| 18.01. |
|
Korda S. - Watanuki Y. |
2R |
6-2, 7-5, 6-4 |
1.21 |
4.49 |
| 16.01. |
|
Watanuki Y. - Rinderknech A. |
1R |
6-3, 6-3, 6-2 |
2.28 |
1.64 |
| 12.01. |
|
Watanuki Y. - Varillas J. |
Q-3R |
6-3, 6-4 |
1.31 |
3.32 |
| 11.01. |
|
Watanuki Y. - Kukushkin M. |
Q-2R |
4-6, 7-63, 6-3 |
1.60 |
2.30 |
| 10.01. |
|
Watanuki Y. - Sekulic P. |
Q-1R |
6-4, 6-2 |
1.07 |
8.85 |
| Canberra 2 challenger |
Round |
Result |
H |
A |
| 06.01. |
|
Fucsovics M. - Watanuki Y. |
SF |
6-2, 7-5 |
1.60 |
2.26 |
| 05.01. |
|
Watanuki Y. - Gombos N. |
QF |
7-5, 6-4 |
1.62 |
2.20 |
| 04.01. |
|
Watanuki Y. - Rodionov J. |
R16 |
6-4, 5-7, 7-66 |
1.58 |
2.28 |
| 03.01. |
|
Watanuki Y. - Van Assche L. |
1R |
4-6, 6-4, 6-3 |
1.68 |
2.10 |