Japan: Kobe - Doubles - Main |
| 1/8-finals | Raja P./Ramanathan R. | Ratiwatana Sa./Ratiwatana So. | 0:0 RET. (4:2) | dettagli | 06.11.2019 |
Australia: Traralgon - Doubles - Main |
| Quarter-finals | Klein B./Puodziunas S. | Ratiwatana Sa./Ratiwatana So. | 2:1 (1:6, 6:2, 10:6) | dettagli | 24.10.2019 |
| 1/8-finals | Clarke J./Grills J. | Ratiwatana Sa./Ratiwatana So. | 1:2 (3:6, 6:4, 7:10) | dettagli | 23.10.2019 |
China: Shanghai - Doubles - Main |
| Quarter-finals | Ratiwatana Sa./Ratiwatana So. | Gao X./Sun F. | 1:2 (6:4, 4:6, 7:10) | dettagli | 12.09.2019 |
| 1/8-finals | Lopez-Perez E./Nedunchezhiyan J. | Ratiwatana Sa./Ratiwatana So. | 0:2 (66:7, 4:6) | dettagli | 11.09.2019 |
China: Jinan - Doubles - Main |
| 1/8-finals | Nam Ji S./Song M.-K. | Ratiwatana Sa./Ratiwatana So. | 2:1 (5:7, 6:2, 10:8) | dettagli | 03.09.2019 |
Japan: Yokkaichi - Doubles - Main |
| Semi-finals | Gong M./Zhang Z. | Ratiwatana Sa./Ratiwatana So. | 2:0 (6:2, 6:1) | dettagli | 10.08.2019 |
| Quarter-finals | Ratiwatana Sa./Ratiwatana So. | Sekiguchi S./Shimabukuro S. | 2:1 (63:7, 6:3, 10:5) | dettagli | 08.08.2019 |
| 1/8-finals | Ratiwatana Sa./Ratiwatana So. | Shimizu Y./Tajima N. | 2:0 (6:3, 6:4) | dettagli | 06.08.2019 |
China: Chengdu - Doubles - Main |
| 1/8-finals | Ratiwatana Sa./Ratiwatana So. | Hua R./Wu D. | 0:2 (5:7, 3:6) | dettagli | 31.07.2019 |
World: Davis Cup - Group II - Doubles - Main |
| | Ratiwatana Sa./Ratiwatana So. | Alcantara F. C./Mendoza J. | 2:0 (6:4, 7:5) | dettagli | 06.04.2019 |
Japan: Yokohama - Doubles - Main |
| Semi-finals | Echargui M./Mansouri S. | Ratiwatana Sa./Ratiwatana So. | 2:1 (4:6, 6:3, 10:6) | dettagli | 02.03.2019 |
| Quarter-finals | Fruttero J./Perez Sanz D. | Ratiwatana Sa./Ratiwatana So. | 0:2 (5:7, 64:7) | dettagli | 01.03.2019 |
| 1/8-finals | Hazawa S./Tajima N. | Ratiwatana Sa./Ratiwatana So. | 1:2 (2:6, 6:3, 5:10) | dettagli | 26.02.2019 |
Thailand: Bangkok 2 - Doubles - Main |
| Quarter-finals | Lopez-Perez E./Moriya H. | Ratiwatana Sa./Ratiwatana So. | 2:0 (6:3, 6:2) | dettagli | 21.02.2019 |
| 1/8-finals | Ratiwatana Sa./Ratiwatana So. | Naen-Udorn C./Saimongkol P. | 2:0 (6:1, 6:0) | dettagli | 20.02.2019 |
Thailand: Bangkok - Doubles - Main |
| 1/8-finals | Balaji N. S./Kadhe A. | Ratiwatana Sa./Ratiwatana So. | 2:0 (6:1, 6:3) | dettagli | 13.02.2019 |
Australia: Launceston - Doubles - Main |
| 1/8-finals | Banes M./Ellis B. | Ratiwatana Sa./Ratiwatana So. | 2:1 (6:4, 4:6, 10:8) | dettagli | 29.01.2019 |
Australia: Burnie - Doubles - Main |
| 1/8-finals | Fruttero J./Perez Sanz D. | Ratiwatana Sa./Ratiwatana So. | 2:0 (7:5, 7:63) | dettagli | 23.01.2019 |
Vietnam: Da Nang - Doubles - Main |
| Semi-finals | Ratiwatana Sa./Ratiwatana So. | Hsieh C./Rungkat C. | 1:2 (6:4, 3:6, 5:10) | dettagli | 11.01.2019 |
| Quarter-finals | Bega A./Viola M. | Ratiwatana Sa./Ratiwatana So. | 0:2 (64:7, 1:6) | dettagli | 10.01.2019 |
| 1/8-finals | Fanselow S./Song E. | Ratiwatana Sa./Ratiwatana So. | WO. | dettagli | 09.01.2019 |
India: Bengaluru - Doubles - Main |
| 1/8-finals | Kadhe A./Myneni S. | Ratiwatana Sa./Ratiwatana So. | 2:1 (6:3, 3:6, 11:9) | dettagli | 12.11.2018 |
Taiwan: Kaohsiung - Doubles - Main |
| Semi-finals | Ratiwatana Sa./Ratiwatana So. | Hsieh C./Yang T. | 0:2 (3:6, 4:6) | dettagli | 22.09.2018 |
| Quarter-finals | Brkic T./Rodionov J. | Ratiwatana Sa./Ratiwatana So. | 0:2 (4:6, 5:7) | dettagli | 21.09.2018 |
| 1/8-finals | Lawson A./Li Z. | Ratiwatana Sa./Ratiwatana So. | 0:2 (4:6, 5:7) | dettagli | 19.09.2018 |
World: Davis Cup - Group II - Doubles - Main |
| | Ratiwatana Sa./Ratiwatana So. | Ballout J./Samaha G. | 2:0 (6:0, 6:3) | dettagli | 16.09.2018 |
| | Ratiwatana Sa./Ratiwatana So. | Habib H./Samaha G. | CAN. | dettagli | 16.09.2018 |
China: Zhangjiagang - Doubles - Main |
| 1/8-finals | Peng H./Yang T. | Ratiwatana Sa./Ratiwatana So. | 2:0 (7:61, 7:65) | dettagli | 05.09.2018 |
China: Jinan - Doubles - Main |
| Semi-finals | Ratiwatana Sa./Ratiwatana So. | Hsieh C./Yang T. | 0:2 (1:6, 0:6) | dettagli | 10.08.2018 |
| Quarter-finals | Ratiwatana Sa./Ratiwatana So. | Chen T./Sabanov M. | 2:0 (6:2, 6:3) | dettagli | 09.08.2018 |
| 1/8-finals | Ratiwatana Sa./Ratiwatana So. | Jin Y./Li Z. | 2:0 (6:2, 6:2) | dettagli | 06.08.2018 |
China: Chengdu - Doubles - Main |
| Semi-finals | Gong M./Zhang Z. | Ratiwatana Sa./Ratiwatana So. | 2:0 (6:0, 6:4) | dettagli | 03.08.2018 |
| Quarter-finals | Krstin P./Petrovic D. | Ratiwatana Sa./Ratiwatana So. | 0:2 (4:6, 4:6) | dettagli | 02.08.2018 |
| 1/8-finals | Lock B./Matsui T. | Ratiwatana Sa./Ratiwatana So. | 0:2 (4:6, 4:6) | dettagli | 01.08.2018 |
United Kingdom: Wimbledon - Doubles - Qualification |
| Semi-finals | Gille S./Vliegen J. | Ratiwatana Sa./Ratiwatana So. | 2:0 (6:4, 6:4) | dettagli | 25.06.2018 |
United Kingdom: Ilkley - Doubles - Main |
| 1/8-finals | Ratiwatana Sa./Ratiwatana So. | Broady L./Clayton S. | 0:2 (66:7, 4:6) | dettagli | 19.06.2018 |
Germany: Stuttgart - Doubles - Main |
| 1/8-finals | Ratiwatana Sa./Ratiwatana So. | Fucsovics M./Zverev M. | 1:2 (5:7, 6:3, 7:10) | dettagli | 13.06.2018 |
South Korea: Busan - Doubles - Main |
| Semi-finals | Roelofse R./Smith J. P. | Ratiwatana Sa./Ratiwatana So. | 2:0 (6:4, 6:4) | dettagli | 19.05.2018 |
| Quarter-finals | Ratiwatana Sa./Ratiwatana So. | Gonzales R./Schnur B. | 2:0 (6:2, 6:4) | dettagli | 18.05.2018 |
| 1/8-finals | Ratiwatana Sa./Ratiwatana So. | Matsui T./Statham J. R. | 2:0 (6:1, 6:2) | dettagli | 15.05.2018 |
South Korea: Gimcheon - Doubles - Main |
| Final | Roelofse R./Smith J. P. | Ratiwatana Sa./Ratiwatana So. | 2:0 (6:2, 6:3) | dettagli | 12.05.2018 |
| Semi-finals | Ratiwatana Sa./Ratiwatana So. | Bury A./Peng H. | 2:1 (3:6, 6:3, 10:4) | dettagli | 11.05.2018 |
| Quarter-finals | Purcell M./Saville L. | Ratiwatana Sa./Ratiwatana So. | 0:2 (1:6, 4:6) | dettagli | 10.05.2018 |
| 1/8-finals | Chen T./Yi C. | Ratiwatana Sa./Ratiwatana So. | 1:2 (1:6, 6:4, 8:10) | dettagli | 09.05.2018 |
South Korea: Seoul - Doubles - Main |
| 1/8-finals | Chen T./Yi C. | Ratiwatana Sa./Ratiwatana So. | 2:1 (7:66, 4:6, 10:8) | dettagli | 03.05.2018 |
Taiwan: Taipei - Doubles - Main |
| Semi-finals | Ebden M./Whittington A. | Ratiwatana Sa./Ratiwatana So. | 2:0 (6:3, 6:4) | dettagli | 13.04.2018 |
| Quarter-finals | Erlich J./Nielsen F. | Ratiwatana Sa./Ratiwatana So. | 1:2 (0:6, 6:3, 6:10) | dettagli | 12.04.2018 |
| 1/8-finals | Ito T./Matsui T. | Ratiwatana Sa./Ratiwatana So. | 1:2 (7:62, 3:6, 6:10) | dettagli | 11.04.2018 |
World: Davis Cup - Group II - Doubles - Main |
| | Alcantara F. C./Arcilla J. | Ratiwatana Sa./Ratiwatana So. | 1:2 (6:4, 63:7, 1:6) | dettagli | 08.04.2018 |