| Doubles | |
|---|---|
| 2023 Winnipeg National Bank Challenger | |
| Champions |  Gabriel Diallo  Leandro Riedi |
| Runners-up | Juan Carlos Aguilar Taha Baadi |
| Score | 6–2, 6–3 |
Billy Harris and Kelsey Stevenson were the defending champions [1] but lost in the quarterfinals to Gabriel Diallo and Leandro Riedi.
Diallo and Riedi won the title after defeating Juan Carlos Aguilar and Taha Baadi 6–2, 6–3 in the final. [2]
Andrew Harris / 
Christian Harrison (semifinals)
Hsu Yu-hsiou / 
Yuta Shimizu (first round) George Goldhoff / Vasil Kirkov (first round) Mac Kiger / Benjamin Sigouin (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | A Harris C Harrison | 6 | 3 | [15] | |||||||||||||||||||||||
 S Duncan R Peniston | 1 | 6 | [13] | 1 | A Harris C Harrison | 77 | 6 | ||||||||||||||||||||
| S Kirchheimer R Noguchi | 4 | 4 | T Ito S Mochizuki | 62 | 2 | ||||||||||||||||||||||
| T Ito S Mochizuki | 6 | 6 | 1 | A Harris C Harrison | 2 | 64 | |||||||||||||||||||||
| 4 | M Kiger B Sigouin | 2 | 64 | WC | JC Aguilar T Baadi | 6 | 77 | ||||||||||||||||||||
T-S Kwiatkowski  C Rodesch | 6 | 77 | T-S Kwiatkowski C Rodesch | 6 | 2 | [3] | |||||||||||||||||||||
| WC | JC Aguilar Taha Baadi | 6 | 6 | WC | JC Aguilar T Baadi | 1 | 6 | [10] | |||||||||||||||||||
| WC | C Harper B Schnur | 3 | 4 | WC | JC Aguilar T Baadi | 2 | 3 | ||||||||||||||||||||
| J Boulais J Trotter | 6 | 60 | [4] | G Diallo L Riedi | 6 | 6 | |||||||||||||||||||||
 E Couacaud D Stricker | 4 | 77 | [10] | E Couacaud D Stricker | |||||||||||||||||||||||
 M Bellucci L Nardi | 6 | 6 | M Bellucci L Nardi | w/o | |||||||||||||||||||||||
| 3 | G Goldhoff V Kirkov | 2 | 4 | M Bellucci L Nardi | |||||||||||||||||||||||
| B Harris K Stevenson | 6 | 6 | G Diallo L Riedi | w/o | |||||||||||||||||||||||
| Alt |  O O'Hoisin Joshua Sheehy | 3 | 4 | B Harris K Stevenson | 2 | 4 | |||||||||||||||||||||
| G Diallo L Riedi | 77 | 77 | G Diallo L Riedi | 6 | 6 | ||||||||||||||||||||||
| 2 | Y-h Hsu Y Shimizu | 64 | 64 | ||||||||||||||||||||||||
George Morgan and Mate Pavić were the defending champions but were no longer eligible to compete as Juniors.
Andrew Harris and Nick Kyrgios were the defending champions, but Harris was no longer eligible to compete in junior tennis, and thus could not defend his title.
Defending champion Barbora Krejčíková and her partner Nikola Mektić defeated Bethanie Mattek-Sands and Jamie Murray in the final, 5–7, 6–4, [10–1] to win the mixed doubles tennis title at the 2020 Australian Open.
David Ionel and Leandro Riedi won the boys' doubles tennis title at the 2020 Australian Open, defeating Mikołaj Lorens and Kārlis Ozoliņš in the final, 6–7(8–10), 7–5, [10–4].
Leandro Riedi is a Swiss professional tennis player. He has a career-high ATP singles ranking of world No. 117 achieved on 5 August 2024. He also has a career-high ATP doubles ranking of No. 211 achieved on 6 February 2023. He is currently the No. 3 Swiss player.
Dominic Stricker won the title, defeating Leandro Riedi in an all-Swiss final, 6–2, 6–4.
Two-time defending champion Barbora Krejčíková and her partner Rajeev Ram defeated Samantha Stosur and Matthew Ebden in the final, 6–1, 6–4 to win the mixed doubles tennis title at the 2021 Australian Open. It was the pair's second major mixed doubles title as a team, after their first at the 2019 Australian Open. They saved a match point en route to the title, in the second round against Ena Shibahara and Ben McLachlan.
Bruno Kuzuhara and Coleman Wong defeated Alex Michelsen and Adolfo Daniel Vallejo in the final, 6–3, 7–6(7–3) to win the boys' doubles title at the 2022 Australian Open. Wong became the first Hongkonger win an Australian Open title, and the first Hongkonger to win two titles at majors, having previously won the junior doubles at the 2021 US Open.
Robin Haase and Matwé Middelkoop defeated Lloyd Harris and Tim Pütz in the final, 4–6, 7–6(7–5), [10–5], to win the doubles tennis title at the 2022 ABN AMRO Rotterdam. It was their fourth career ATP Tour doubles title as a team, and marked Haase's seventh individual doubles title and Middelkoop's 12th. Harris and Pütz were competing in their first event together.
Darian King and Peter Polansky were the defending champions but chose not to defend their title.
Billy Harris is a British tennis player. He has a career-high ATP singles ranking of world No. 101 achieved on 9 September 2024. He is the current British No. 4. He also has a career-high doubles ranking of No. 265 achieved on 12 February 2024.
Kelsey Stevenson is a Canadian tennis player.
Gabriel Diallo is a Canadian professional tennis player. He has a career-high ATP singles ranking of world No. 86, achieved on 11 November 2024 and a doubles ranking of No. 321 achieved on 8 January 2024.
Robert Galloway and Roberto Maytín were the defending champions but chose not to defend their title.
The 2023 Winnipeg National Bank Challenger was a professional tennis tournament played on outdoor hard courts. It was the 6th edition of the tournament and part of the 2023 ATP Challenger Tour. It took place in Winnipeg, Manitoba, Canada between August 14 and 19, 2023.
Emilio Gómez was the defending champion but chose not to defend his title.
Leandro Riedi and Valentin Vacherot were the defending champions but chose not to defend their title.
Gabriel Diallo and Leandro Riedi were the defending champions but chose not to defend their title.
Sebastian Korda defeated Flavio Cobolli in the final, 4–6, 6–2, 6–0 to win the men's singles tennis title at the 2024 Washington Open. It was Korda's second ATP Tour title, first ATP 500 title, first title since 2021, and first hardcourt title after previous five hardcourt runner-up finishes. Both players saved match points en route to the final: Korda saved two in his third-round match against Thanasi Kokkinakis, while Cobolli saved five in his third-round match against Alejandro Davidovich Fokina. Korda's father Petr won the title at the same tournament in 1992, marking the first time that a father-son duo won the same ATP tournament.
This was the first edition of the tournament.