| Challenger - Barletta | 04/01 13:15 | 25 | [254] Enrico Dalla Valle v Steven Diez [327] | 2-6,6-0,6-3 | |
| Challenger - Girona | 03/25 11:15 | 19 | [334] Felix Gill v Steven Diez [329] | Retired | |
| Challenger - Girona | 03/24 10:20 | 14 | Carlos Taberner v Steven Diez | Cancelled | |
| Challenger - Hamburg | 03/11 13:55 | 25 | [271] Henri Squire v Steven Diez [308] | 6-2,6-4 | |
| ITF - M15 Torello | 03/07 09:25 | 26 | Federico Iannaccone v Steven Diez | 7-6,6-3 | |
| ITF - M15 Torello | 03/06 11:40 | 25 | Kane Bonsach Ganley v Steven Diez | 3-6,3-6 | |
| Challenger Tenerife | 02/20 15:45 | 25 | [316] Steven Diez v Franco Agamenone [205] | 5-7,6-3,2-6 | |
| Challenger Tenerife | 02/19 12:00 | 19 | [295] Gastao Elias v Steven Diez [316] | Retired | |
| Challenger Tenerife | 02/18 14:05 | 14 | [472] Imanol L Morillo v Steven Diez [316] | 4-6,3-6 | |
| Challenger - Glasgow | 02/15 12:30 | 26 | Nicola Kuhn v Steven Diez | 6-3,6-1 | |
| Challenger - Glasgow | 02/13 14:30 | 25 | [419] Yshai Oliel v Steven Diez [316] | 4-6,7-5,6-7 | |
| Challenger - Nottingham | 02/04 14:25 | 14 | [318] Steven Diez v Ben Jones [228] | 4-6,4-6 | |
| Challenger - Koblenz | 01/28 09:00 | 14 | [487] Kenny de Schepper v Steven Diez [315] | 6-3,6-2 | |
| Challenger - Ottignies | 01/22 15:00 | 14 | [315] Steven Diez v Michael Geerts [291] | 3-6,3-6 | |
| Challenger - Nonthaburi | 01/09 05:50 | 25 | [396] Hiroki Moriya v Steven Diez [314] | 6-3,6-0 | |
| United Cup | 01/03 06:30 | - | [6] Stefanos Tsitsipas v Steven Diez [314] | 6-2,6-3 | |
| United Cup | 12/31 01:05 | - | [314] Steven Diez v Nicolas Jarry [19] | 5-7,4-6 | |
| Challenger - Maspalomas | 11/28 15:00 | 25 | [265] Steven Diez v Raul Brancaccio [190] | 4-6,2-6 | |
| Challenger - Valencia | 11/19 11:00 | 14 | [394] Carlos Lopez Montagud v Steven Diez [265] | 6-0,6-2 | |
| Challenger - Drummondville | 11/14 23:30 | 25 | [265] Steven Diez v Liam Draxl [297] | 4-6,7-6,1-6 | |
| Challenger - Calgary | 11/09 18:45 | 26 | [270] Steven Diez v Aziz Dougaz [242] | 3-6,2-6 | |
| Challenger - Calgary | 11/07 18:50 | 25 | [317] Juan Carlos Aguilar v Steven Diez [270] | 3-6,6-1,3-6 | |
| Challenger - Šen-čen | 10/19 04:00 | 26 | [436] Yan Bai v Steven Diez [268] | 3-6,6-1,6-4 | |
| Challenger - Šen-čen | 10/16 05:10 | 26 | [471] Nam Hoang Ly v Steven Diez [268] | 4-6,1-6 | |
| Challenger - Šen-čen | 10/11 04:05 | 25 | [85] Nuno Borges v Steven Diez [269] | 7-5,6-2 | |
| ATP - Šanghaj | 10/03 08:15 | 15 | [147] Terence Atmane v Steven Diez [268] | 7-6,6-2 | |
| ATP - Šanghaj | 10/02 10:30 | 14 | [378] Nam Hoang Ly v Steven Diez [268] | 6-2,4-6,3-6 | |
| Challenger - Sibiu | 09/18 13:00 | 25 | [259] Steven Diez v Riccardo Bonadio [220] | 2-6,5-7 | |
| Challenger - Štetín | 09/11 09:30 | 19 | [250] Steven Diez v Andrew Paulson [350] | 3-6,1-6 | |
| Challenger - Štetín | 09/10 09:45 | 14 | [252] Steven Diez v Szymon Kielan [301] | 6-1,7-5 |
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.