2023 Calgary National Bank Challenger

The 2023 Calgary National Bank Challenger was a professional tennis tournament played on indoor hard courts. It was the fourth edition of the tournament which was part of the 2023 ATP Challenger Tour and the second edition of the tournament which was part of the 2023 ITF Women's World Tennis Tour. It took place in Calgary, Canada between 6 and 12 November 2023.

2023 Calgary National Bank Challenger
Date	6–12 November 2023
Edition	4th (men) 2nd (women)
Category	ATP Challenger Tour ITF Women's World Tennis Tour
Surface	Hard / Indoor
Location	Calgary, Canada
Champions
Men's singles
Liam Draxl
Women's singles
Sabine Lisicki
Men's doubles
Juan Carlos Aguilar / Justin Boulais
Women's doubles
Sarah Beth Grey / Eden Silva

Champions

Men's singles

Main article: 2023 Calgary National Bank Challenger – Men's singles

• Liam Draxl def. Dominik Koepfer 6–4, 6–3.

Women's singles

See also: 2023 Calgary National Bank Challenger – Women's singles

• Sabine Lisicki def. Stacey Fung 7–6^(7–2), 6–7^(5–7), 6–3.

Men's doubles

Main article: 2023 Calgary National Bank Challenger – Men's doubles

• Juan Carlos Aguilar / Justin Boulais def. Charles Broom / Ben Jones 6–3, 6–2.

Women's doubles

See also: 2023 Calgary National Bank Challenger – Women's doubles

• Sarah Beth Grey / Eden Silva def. Hanna Chang / Katarina Jokić, 6–4, 6–4

Men's singles main draw entrants

Seeds

Country	Player	Rank1	Seed
GER	Dominik Koepfer	75	1
AUS	James Duckworth	111	2
FRA	Benoît Paire	126	3
CAN	Gabriel Diallo	136	4
GBR	Ryan Peniston	181	5
BEL	Zizou Bergs	184	6
BEL	Kimmer Coppejans	190	7
TUN	Aziz Dougaz	232	8

• ¹ Rankings are as of 30 October 2023.

Other entrants

The following players received wildcards into the singles main draw:

• Justin Boulais
• Liam Draxl
• Dan Martin

The following players received entry from the qualifying draw:

• Juan Carlos Aguilar
• Patrick Brady
• Iñaki Montes de la Torre
• Kiranpal Pannu
• Ryan Seggerman
• Enzo Wallart

Women's singles main draw entrants

Seeds

Country	Player	Rank1	Seed
CAN	Katherine Sebov	141	1
AUS	Arina Rodionova	148	2
SUI	Lulu Sun	223	3
NED	Lesley Pattinama Kerkhove	234	4
CAN	Stacey Fung	250	5
LTU	Justina Mikulskytė	271	6
USA	Jamie Loeb	285	7
USA	Liv Hovde	291	8

• ¹ Rankings are as of 23 October 2023.

Other entrants

The following players received wildcards into the singles main draw:

• Kayla Cross
• Alexia Jacobs
• Martyna Ostrzygalo
• Layne Sleeth

The following players received entry from the qualifying draw:

• Isabelle Boulais
• Katarina Jokić
• Kylie McKenzie
• Martina Okáľová
• Kira Pavlova
• Caroline Roméo
• Allura Zamarripa
• Amy Zhu

The following player received entry as a lucky loser:

• Nagi Hanatani