| Challenger Poznan | 05/29 12:55 | 14 | [305] Steven Diez v Rudolf Molleker [454] | 1-6,4-6 | |
| Challenger Troisdorf | 05/24 09:00 | 25 | [305] Steven Diez v Frederico Ferreira Silva [263] | 6-7,3-6 | |
| ATP Lyon | 05/14 09:50 | 14 | [277] Steven Diez v Gregoire Barrere [210] | 6-4,1-6,4-6 | |
| Challenger Morelos | 04/29 23:40 | 27 | [253] Rinky Hijikata v Steven Diez [277] | 6-0,6-1 | |
| Challenger Morelos | 04/28 18:05 | 26 | [277] Steven Diez v Shintaro Mochizuki [416] | 7-6,6-3 | |
| Challenger Morelos | 04/27 15:00 | 25 | Naoki Nakagawa v Steven Diez | 2-6,1-6 | |
| Challenger Aguascalientes | 04/22 19:35 | 27 | [185] Federico Gaio v Steven Diez [297] | 6-7,6-2,6-3 | |
| Challenger Aguascalientes | 04/21 19:30 | 26 | [297] Steven Diez v Ernesto Escobedo [140] | 6-4,7-6 | |
| Challenger Aguascalientes | 04/19 16:00 | 25 | [297] Steven Diez v Rinky Hijikata [254] | 6-2,6-4 | |
| ATP Houston | 04/05 17:00 | 25 | [83] Jordan Thompson v Steven Diez [292] | 6-3,6-2 | |
| ATP Houston | 04/03 16:00 | 19 | [356] Gijs Brouwer v Steven Diez [289] | 4-6,7-5,6-2 | |
| ATP Houston | 04/02 16:00 | 14 | [371] Zachary Svajda v Steven Diez [289] | 3-6,2-6 | |
| Challenger Pereira | 03/29 15:00 | 25 | [289] Steven Diez v Nicolas Kicker [203] | 3-6,6-7 | |
| Challenger Santa Cruz | 03/24 23:40 | 26 | [289] Steven Diez v Pablo Cuevas [105] | 4-6,1-6 | |
| Challenger Santa Cruz | 03/22 19:00 | 25 | [346] Facundo Juarez v Steven Diez [289] | 0-6,6-7 | |
| Challenger Concepcion | 03/16 15:35 | 26 | [175] Camilo Ugo Carabelli v Steven Diez [296] | 6-1,6-2 | |
| Challenger Concepcion | 03/15 14:45 | 25 | [389] Juan Bautista Torres v Steven Diez [296] | 4-6,2-6 | |
| Davis Cup | 03/05 14:00 | 45 | [255] Robin Haase v Steven Diez [294] | 6-1,6-2 | |
| Davis Cup | 03/05 13:35 | 45 | Botic Van De Zandschulp v Steven Diez | Cancelled | |
| Davis Cup | 03/04 15:55 | 45 | [54] Tallon Griekspoor v Steven Diez [294] | 6-4,6-4 | |
| ITF M25 - Antalya | 02/26 09:10 | 27 | Steven Diez v Titouan Droguet | 3-6,2-6 | |
| ITF M25 - Antalya | 02/25 13:40 | 26 | [258] Steven Diez v Lucas Catarina [394] | 6-2,6-4 | |
| ITF M25 - Antalya | 02/22 10:15 | 25 | Steven Diez v Richard Zusman | 6-0,6-2 | |
| Challenger Bengaluru | 02/16 05:30 | 26 | [226] Mathias Bourgue v Steven Diez [264] | 6-3,6-4 | |
| Challenger Bengaluru | 02/14 10:20 | 25 | [208] Kimmer Coppejans v Steven Diez [264] | 2-6,1-6 | |
| Challenger Bengaluru | 02/08 06:35 | 25 | [264] Steven Diez v Cem Ilkel [186] | 2-6,3-6 | |
| Challenger Bengaluru | 02/07 04:30 | 19 | Steven Diez v Antoine Bellier | 1-6,3-6 | |
| Challenger Bengaluru | 02/06 04:30 | 14 | Steven Diez v Suraj R Prabodh | 6-4,6-1 | |
| Challenger Maia | 12/06 16:00 | 25 | [394] Oriol Roca Batalla v Steven Diez [270] | 6-4,6-1 | |
| Davis Cup | 11/25 15:00 | 1 | [264] Steven Diez v Elias Ymer [171] | 4-6,2-6 |
Wikipedia - Steven Diez
Steven Diez (Spanish: Díez, pronounced [ˈdi.eθ]; born March 17, 1991) is a Canadian and former Spanish professional tennis player. Raised primarily in and competing for Spain early in his career, he has since gone on to represent the country of his birth, Canada, in the Davis Cup. Diez was a member of the Canadian team that won the 2022 ATP Cup.