| Challenger Barcelona | 10/02 09:00 | 25 | [302] Oriol Roca Batalla v Steven Diez [160] | 0-6,6-4,1-6 | |
| Challenger Kaohsiung | 09/21 05:00 | 28 | [94] John Millman v Steven Diez [172] | 2-6,6-3,6-2 | |
| Challenger Kaohsiung | 09/20 06:30 | 27 | [172] Steven Diez v Enrique Lopez-Perez [205] | 6-3,7-6 | |
| Challenger Kaohsiung | 09/19 04:20 | 26 | [130] Yuichi Sugita v Steven Diez [172] | 2-6,4-6 | |
| Challenger Kaohsiung | 09/18 02:00 | 25 | [366] Luke Saville v Steven Diez [172] | 6-3,4-6,1-6 | |
| Challenger Shanghai | 09/12 06:20 | 26 | [170] Steven Diez v Enrique Lopez-Perez [218] | 4-6,5-7 | |
| Challenger Shanghai | 09/11 06:35 | 25 | [170] Steven Diez v Runhao Hua [269] | 7-5,6-3 | |
| Challenger Jinan | 09/04 02:00 | 25 | [175] Steven Diez v Zhizhen Zhang [397] | 3-6,3-6 | |
| US Open | 08/23 15:00 | 46 | [90] Soonwoo Kwon v Steven Diez [175] | 4-6,6-3,6-3 | |
| US Open | 08/21 15:00 | 45 | [175] Steven Diez v Yosuke Watanuki [228] | 6-2,5-7,6-0 | |
| US Open | 08/19 20:45 | 44 | [167] Dudi Sela v Steven Diez [175] | 6-4,4-6,2-6 | |
| ATP Montreal | 08/04 19:05 | 46 | [204] Steven Diez v Bradley Klahn [93] | 6-7,6-7 | |
| ATP Montreal | 08/03 19:00 | 45 | [72] Alexander Bublik v Steven Diez [204] | 4-6,4-6 | |
| Challenger Granby | 07/26 23:50 | 27 | [212] Steven Diez v Peter Polansky [147] | 3-6,6-7 | |
| Challenger Granby | 07/25 14:00 | 26 | [205] Andrew Harris v Steven Diez [212] | 4-6,2-6 | |
| Challenger Granby | 07/24 18:55 | 25 | [476] Brandon Holt v Steven Diez [212] | 2-6,4-6 | |
| ATP Båstad | 07/15 09:00 | 164 | [181] Facundo Arguello v Steven Diez [217] | 6-4,3-6,6-3 | |
| ATP Båstad | 07/14 11:00 | 64 | [263] Marc-Andrea Huesler v Steven Diez [226] | 5-7,3-6 | |
| Challenger Braunschweig | 07/08 11:35 | 25 | [226] Steven Diez v Thiago Monteiro [113] | 4-6,3-6 | |
| Challenger Braunschweig | 07/07 12:00 | 24 | [226] Steven Diez v Alexey Vatutin [202] | 6-4,3-6,6-2 | |
| Wimbledon | 06/26 11:25 | 45 | [114] Brayden Schnur v Steven Diez [228] | 6-3,6-4 | |
| Wimbledon | 06/24 15:05 | 44 | [228] Steven Diez v Tatsuma Ito [159] | 6-4,6-1 | |
| ATP Eastbourne | 06/22 14:35 | 64 | [85] Alexander Bublik v Steven Diez [239] | 4-6,6-0,6-3 | |
| Challenger Blois | 06/20 17:30 | 26 | [141] Lorenzo Giustino v Steven Diez [239] | 7-6,3-6,7-6 | |
| Challenger Blois | 06/19 09:20 | 25 | [357] Manuel Guinard v Steven Diez [239] | 4-6,3-6 | |
| Challenger Shymkent 2 | 06/13 04:30 | 26 | [243] Steven Diez v Aleksandr Nedovyesov [194] | 6-1,3-6,3-6 | |
| Challenger Shymkent 2 | 06/12 07:25 | 25 | Steven Diez v Andrey Golubev | 6-3,1-6,6-3 | |
| Challenger Almaty | 06/05 11:35 | 25 | [353] Alejandro Tabilo v Steven Diez [240] | 6-3,6-1 | |
| ATP Lyon | 05/22 14:10 | 26 | [262] Steven Diez v Jo-Wilfried Tsonga [85] | 6-3,6-7,3-6 | |
| ATP Lyon | 05/20 11:35 | 25 | [262] Steven Diez v Bernard Tomic [82] | Retired |
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.