Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Nanchang | 2019/10/02 02:00 | Kousuke Ogura v Seita Watanabe | 4-6,7-5,6-4 |
| ITF M15 Hua Hin | 2019/09/05 05:00 | Seita Watanabe v Takashi Saito | 4-6,4-6 |
| ITF M15 Hua Hin | 2019/09/04 03:00 | Arjun Kadhe v Seita Watanabe | 2-6,2-6 |
| ITF M15 Hua Hin | 2019/09/03 08:55 | Aaron Schmid v Seita Watanabe | 3-6,3-6 |
| ITF M15 Hua Hin | 2019/09/02 06:35 | Seita Watanabe v Cameron Green | 6-2,2-6,10-7 |
| ITF M15 Hua Hin | 2019/08/27 08:45 | Billy Harris v Seita Watanabe | 6-2,6-1 |
| ITF M15 Hua Hin | 2019/08/27 05:45 | Bingyu Yu v Seita Watanabe | 2-6,2-6 |
| ITF M15 Hua Hin | 2019/08/21 04:50 | Seong Chan Hong v Seita Watanabe | 6-1,6-2 |
| ITF M15 Piombino | 2019/08/27 10:00 | Maurizio Speziali v Mattia Rossi | 6-2,2-6,7-10 |
| ITF M15 Piombino | 2019/08/26 11:00 | Maurizio Speziali v Davide Pozzi | 6-3,6-2 |
| ITF M15 Santa Cristina | 2019/08/13 07:00 | Maurizio Speziali v Gian Marco Ortenzi | 5-7,5-7 |
| ITF M15 Santa Cristina | 2019/08/12 08:35 | Maurizio Speziali v Giuseppe Tresca | 6-3,6-4 |
| ITF M25 Appiano | 2019/08/05 13:55 | Andrea Guerrieri v Maurizio Speziali | 6-2,6-3 |
| ITF M25 Appiano | 2019/08/05 08:50 | Andrea Fiorentini v Maurizio Speziali | 4-6,1-6 |
| ITF M25 Pontedera | 2019/07/23 08:00 | Luigi Sorrentino v Maurizio Speziali | 6-1,6-3 |
| ITF M25 Pontedera | 2019/07/22 13:00 | Giorgio Portaluri v Maurizio Speziali | 3-6,6-4,9-11 |