| Challenger Prag 2 | 08/25 12:00 | 25 | [165] Steven Diez v Aslan Karatsev [194] | 1-6,2-6 | |
| Challenger Prag | 08/18 08:30 | 25 | [405] Michael Vrbensky v Steven Diez [165] | 7-5,6-3 | |
| Spanien - Summer League | 08/01 10:40 | - | [203] Guillermo Garcia-Lopez v Steven Diez [165] | 3-6,6-2,6-3 | |
| Spanien - Summer League | 07/31 15:30 | - | [356] Nikolas S Izquierdo v Steven Diez [165] | 6-7,6-4,2-6 | |
| Spanien - Summer League | 07/30 17:50 | - | Jordan Correia v Steven Diez | 5-7,3-6 | |
| Spanien - Summer League | 07/17 08:00 | - | [356] Nikolas S Izquierdo v Steven Diez [165] | Retired | |
| Spanien - Summer League | 07/16 11:30 | - | Alejandro Garcia Carbajal v Steven Diez | 0-6,1-6 | |
| Challenger Monterrey | 03/03 17:05 | 25 | [165] Steven Diez v John-Patrick Smith [319] | 1-6,0-6 | |
| ATP Acapulco | 02/23 02:35 | 64 | [156] Steven Diez v Jason Jung [119] | 2-6,2-6 | |
| ATP Marseille | 02/16 13:35 | 64 | [101] Alexei Popyrin v Steven Diez [157] | 7-6,6-3 | |
| ATP Rotterdam | 02/08 13:20 | 64 | [155] Steven Diez v Emil Ruusuvuori [101] | 6-4,3-6,5-7 | |
| Challenger Launceston | 02/05 00:55 | 25 | [155] Steven Diez v Borna Gojo [273] | 5-7,2-6 | |
| Challenger Launceston | 02/02 23:00 | 28 | [134] Steven Diez v Calum Puttergill [376] | 6-1,6-4 | |
| Challenger Burnie | 01/28 06:30 | 25 | [261] Jason Kubler v Steven Diez [134] | 4-6,6-3,6-2 | |
| Australian Open | 01/16 23:00 | 45 | [212] Hiroki Moriya v Steven Diez [134] | 6-4,7-5 | |
| Australian Open | 01/15 02:00 | 44 | [190] Darian King v Steven Diez [134] | 2-6,2-6 | |
| Challenger Pune | 11/15 09:25 | 27 | [136] Steven Diez v Jay Clarke [170] | 4-6,6-3,6-7 | |
| Challenger Pune | 11/14 08:10 | 26 | [136] Steven Diez v Brydan Klein [398] | 6-0,6-2 | |
| Challenger Pune | 11/13 09:30 | 25 | [136] Steven Diez v Yusuke Takahashi [453] | 6-2,6-2 | |
| Challenger Shenzhen 2 | 10/29 03:35 | 25 | [321] Denis Yevseyev v Steven Diez [136] | 6-3,6-2 | |
| Challenger Liuzhou | 10/24 03:05 | 26 | [211] Denis Istomin v Steven Diez [136] | 4-6,7-6,6-0 | |
| Challenger Liuzhou | 10/23 05:05 | 25 | [314] Denis Yevseyev v Steven Diez [136] | 6-3,3-6,2-6 | |
| Challenger Ningbo | 10/20 06:00 | 29 | [156] Steven Diez v Yasutaka Uchiyama [108] | 1-6,3-6 | |
| Challenger Ningbo | 10/19 05:55 | 28 | [156] Steven Diez v Alejandro Davidovich Fokina [101] | 6-1,6-3 | |
| Challenger Ningbo | 10/18 05:20 | 27 | [82] Prajnesh Gunneswaran v Steven Diez [156] | 3-6,4-6 | |
| Challenger Ningbo | 10/17 03:00 | 26 | [156] Steven Diez v Christopher Eubanks [203] | 7-6,7-5 | |
| Challenger Ningbo | 10/15 06:55 | 25 | [156] Steven Diez v Denis Yevseyev [323] | 6-2,7-5 | |
| Challenger Mouilleron le Captif | 10/09 08:00 | 25 | [123] Gianluca Mager v Steven Diez [158] | 6-1,6-2 | |
| Challenger Mouilleron le Captif | 10/07 18:00 | 24 | [158] Steven Diez v Bernabe Zapata Miralles [232] | 6-2,4-1 | |
| Challenger Barcelona | 10/03 13:30 | 26 | [115] Pedro Sousa v Steven Diez [160] | 6-3,7-5 |
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.