The 2026 Winnipeg National Bank Challenger was a professional tennis tournament played on outdoor hard courts. It was the 9th edition of the tournament and part of the 2026 ATP Challenger Tour. It took place in Winnipeg, Manitoba, Canada between July 20 and 26, 2026.

Singles main-draw entrants Seeds CountryPlayerRank1 SeedShintaro Mochizuki1151Toby Samuel1292Zhang Zhizhen1563August Holmgren1924Liam Broady1985Clément Chidekh2076Hsu Yu-hsiou2107Rio Noguchi2228 1 Rankings are as of July 13, 2026.

Other entrants The following players received wildcards into the singles main draw: Nicolas Arseneault Justin Boulais Keegan Rice

The following player received entry into the singles main draw through the College Accelerator programme: Jay Friend

The following player received entry into the singles main draw through the Next Gen Accelerator programme: Mees Röttgering

The following players received entry into the singles main draw as alternates: Hayato Matsuoka Yuta Shimizu

The following players received entry from the qualifying draw: Mikael Arseneault Duncan Chan Millen Hurrion Garrett Johns Daniel Milavsky James Trotter

The following player received entry as a lucky loser: Edward Winter

Champions Singles

Toby Samuel def. Liam Draxl 6–4, 6–2.

Doubles

Daniel Milavsky / Braden Shick def. Joshua Sheehy / Tyler Zink 6–3, 3–6, [10–7].

References