| Challenger Knoxville | 11/08 21:35 | 25 | [305] Yosuke Watanuki v Bjorn Fratangelo [171] | 4-6,6-7 | |
| Challenger Charlottesville | 11/04 20:00 | 26 | [245] Yosuke Watanuki v Thai-Son Kwiatkowski [228] | 6-7,1-6 | |
| Challenger Charlottesville | 11/02 14:00 | 25 | [245] Yosuke Watanuki v Christopher Eubanks [179] | 6-2,2-6,6-4 | |
| Challenger Las Vegas | 10/26 18:00 | 25 | [214] Jason Kubler v Yosuke Watanuki [245] | 6-7,6-0,7-6 | |
| Challenger Rennes | 09/14 08:00 | 25 | Brayden Schnur v Yosuke Watanuki | Cancelled | |
| Challenger Cassis | 09/07 11:25 | 25 | Luca Van Assche v Yosuke Watanuki | Retired | |
| Challenger Mallorca | 09/01 15:20 | 25 | Yosuke Watanuki v Fernando Verdasco | Cancelled | |
| ATP Winston-Salem | 08/24 21:15 | 25 | [255] Yosuke Watanuki v Marton Fucsovics [42] | 5-7,1-6 | |
| ATP Winston-Salem | 08/23 21:25 | 24 | [64] Jaume Munar v Yosuke Watanuki [255] | 6-3,3-6,0-6 | |
| ATP Winston-Salem | 08/22 18:00 | 19 | [74] Alexei Popyrin v Yosuke Watanuki [255] | 6-2,4-6,6-1 | |
| ATP Winston-Salem | 08/21 20:10 | 14 | [415] Yunseong Chung v Yosuke Watanuki [255] | 3-6,6-7 | |
| ATP Atlanta | 07/24 14:00 | 26 | [131] Christopher O'Connell v Yosuke Watanuki [259] | 7-5,6-4 | |
| ATP Los Cabos | 07/19 00:00 | 19 | [259] Yosuke Watanuki v Alexander Sarkissian [477] | Retired | |
| ATP Los Cabos | 07/18 02:40 | 14 | Yosuke Watanuki v Luis Patino | 7-6,4-6,6-2 | |
| ATP Bastad | 07/11 12:20 | 14 | [254] Yosuke Watanuki v Henri Laaksonen [137] | 7-6,5-7,5-7 | |
| Challenger Salzburg | 07/04 11:10 | 14 | [254] Yosuke Watanuki v Jeroen Vanneste [400] | 3-6,2-6 | |
| Challenger Porto | 06/29 10:00 | 25 | [247] Altug Celikbilek v Yosuke Watanuki [254] | 6-3,6-7,6-3 | |
| Challenger Porto | 06/28 13:00 | 19 | [254] Yosuke Watanuki v Robert Galloway [111] | 6-1,6-1 | |
| Challenger Porto | 06/27 12:20 | 14 | Yosuke Watanuki v Duarte Vale | 6-2,6-4 | |
| ATP Mallorca | 06/20 11:30 | 19 | [100] Roberto Carballes Baena v Yosuke Watanuki [255] | 6-4,5-7,6-2 | |
| ATP Mallorca | 06/19 11:45 | 14 | [255] Yosuke Watanuki v Daniel Elahi Galan [111] | 6-4,3-6,7-5 | |
| Challenger Prostejov | 06/16 13:20 | 26 | [255] Yosuke Watanuki v Alex Molcan [180] | 1-6,2-6 | |
| Challenger Prostejov | 06/15 12:30 | 25 | [70] Pablo Andujar v Yosuke Watanuki [255] | 6-1,1-6,4-6 | |
| Challenger Tallahassee | 04/22 17:20 | 26 | Bjorn Fratangelo v Yosuke Watanuki | Walkover | |
| Challenger Tallahassee | 04/20 16:55 | 25 | [263] Yosuke Watanuki v Agustin Velotti [344] | 6-3,6-4 | |
| Challenger Orlando | 04/13 17:40 | 25 | [264] Yosuke Watanuki v Jack Sock [257] | 1-6,1-6 | |
| Challenger Cleveland | 03/18 23:30 | 27 | Aleksandar Kovacevic v Yosuke Watanuki | 5-7,6-2,6-3 | |
| Challenger Cleveland | 03/17 14:00 | 26 | [273] Yosuke Watanuki v Lucas Catarina [417] | 6-3,5-7,6-1 | |
| Challenger Cleveland | 03/16 00:45 | 25 | [312] Kevin King v Yosuke Watanuki [273] | 4-6,6-7 | |
| Puchar Davisa | 03/06 07:30 | 4 | Aisam Qureshi v Yosuke Watanuki | Cancelled |
Wikipedia - Yosuke Watanuki
Yosuke Watanuki (ur. 12 kwietnia 1998 w Saitamie) – japoński tenisista, reprezentant kraju w rozgrywkach Pucharu Davisa.
Jego starszy brat Yusuke również był zawodowym tenisistą, a następnie pełnił funkcję trenera.