| Doubles | |
|---|---|
| 2024 Winnipeg National Bank Challenger | |
| Champions |  Christian Harrison Cannon Kingsley |
| Runners-up |  Yuta Shimizu Kaichi Uchida |
| Score | 6–1, 6–4 |
Gabriel Diallo and Leandro Riedi were the defending champions [1] but chose not to defend their title.
Christian Harrison and Cannon Kingsley won the title after defeating Yuta Shimizu and Kaichi Uchida 6–1, 6–4 in the final. [2]
Ryan Seggerman / Patrik Trhac (first round)
Hans Hach Verdugo / Vasil Kirkov (quarterfinals) Mac Kiger / Alex Lawson (quarterfinals) Yuta Shimizu / Kaichi Uchida (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | R Seggerman P Trhac | 6 | 612 | [8] | |||||||||||||||||||||||
 Kody Pearson F Reynolds | 4 | 714 | [10] | K Pearson F Reynolds | 5 | 7 | [10] | ||||||||||||||||||||
 C Chidekh L Sanchez | 4 | 6 | [6] | WC |  JC Aguilar T Baadi | 7 | 5 | [12] | |||||||||||||||||||
| WC | JC Aguilar Taha Baadi | 6 | 4 | [10] | WC | JC Aguilar T Baadi | 6 | 4 | [4] | ||||||||||||||||||
| 4 | Y Shimizu K Uchida | 77 | 0 | [10] | 4 | Y Shimizu K Uchida | 4 | 6 | [10] | ||||||||||||||||||
| B Bonzi Arthur Gea | 64 | 6 | [2] | 4 | Y Shimizu K Uchida | 5 | 7 | [10] | |||||||||||||||||||
 R Peniston B Sigouin | 4 | 6 | [13] |  H Habib T Hilderbrand | 7 | 5 | [5] | ||||||||||||||||||||
| H Habib T Hilderbrand | 6 | 4 | [15] | 4 | Y Shimizu K Uchida | 1 | 4 | ||||||||||||||||||||
| Alt | Ryuki Matsuda H Moriya | 0 | 5 | C Harrison C Kingsley | 6 | 6 | |||||||||||||||||||||
| C Harrison C Kingsley | 6 | 7 | C Harrison C Kingsley | 6 | 7 | ||||||||||||||||||||||
| K Stevenson Tennyson Whiting | 63 | 3 | 3 | M Kiger A Lawson | 2 | 5 | |||||||||||||||||||||
| 3 | M Kiger A Lawson | 77 | 6 | C Harrison C Kingsley | 6 | 6 | |||||||||||||||||||||
| WC | L Draxl C Harper | 6 | 710 | WC | L Draxl C Harper | 3 | 3 | ||||||||||||||||||||
 N Mejía A Urrea | 1 | 68 | WC | L Draxl C Harper | 6 | 6 | |||||||||||||||||||||
| T Boyer A Taylor | 5 | 4 | 2 | H Hach Verdugo V Kirkov | 4 | 1 | |||||||||||||||||||||
| 2 | H Hach Verdugo V Kirkov | 7 | 6 | ||||||||||||||||||||||||
Filip Horanský and Jiří Veselý were the defending champions but were both ineligible to compete.
Andrés Artuñedo and Roberto Carballés were the defending champions.
Andrew Harris and Nick Kyrgios won the title by defeating Adam Pavlásek and Václav Šafránek in the final, 6–4, 2–6, [10–7]
Andrej Martin was the defending champion and successfully defended his title, defeating Stefano Travaglia 6–4, 6–4 in the final.
Scott Griekspoor was the defending champion but lost in the second round to Tristan Lamasine.
Lloyd Harris was the defending champion but chose not to defend his title.
Blaž Kavčič was the defending champion but chose not to defend his title.
Carlos Berlocq was the defending champion but chose not to defend his title.
Antoine Bellier and Gabriel Décamps were the defending champions but chose not to compete.
Norbert Gombos was the defending champion but chose not to defend his title.
Daniil Medvedev defeated the defending champion Cameron Norrie in the final, 7–5, 6–0 to win the singles tennis title. It was his 14th career ATP Tour title, his first of the season, and his first since the 2021 US Open eleven months earlier.
Benjamin Bonzi was the defending champion but chose not to defend his title.
Max Purcell and Luke Saville were the defending champions but only Purcell chose to defend his title, partnering Marc Polmans. Purcell withdrew before his semifinal match against Chung Yun-seong and Aleksandar Kovacevic due to injury.
Kwon Soon-woo was the defending champion but chose not to defend his title.
Yosuke Watanuki was the defending champion and successfully defended his title, defeating Frederico Ferreira Silva 6–7(3–7), 7–5, 6–4 in the final.
Nam Ji-sung and Song Min-kyu were the defending champions but chose not to defend their title.
Kaichi Uchida was the defending champion but lost in the quarterfinals to Juan Manuel Cerúndolo.
Kaichi Uchida and Wu Tung-lin were the defending champions but chose not to defend their title.
Billy Harris and Kelsey Stevenson were the defending champions but lost in the quarterfinals to Gabriel Diallo and Leandro Riedi.
Zhang Zhizhen was the defending champion but chose not to defend his title.
Alexander Erler and Lucas Miedler were the defending champions but chose not to defend their title.