The 2018 Calgary National Bank Challenger was a professional

tennis Tennis is a racket sport that is played either individually against a single opponent ( singles) or between two teams of two players each ( doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball ...

tournament played on indoor

hard court A hardcourt (or hard court) is a surface or floor on which a sport is played, most usually in reference to tennis courts. It is typically made of rigid materials such as asphalt or concrete, and covered with acrylic resins to seal the surface and ...

s. It was the first edition of the tournament and part of the

2018 ATP Challenger Tour The ATP Challenger Tour, in 2018, was the secondary professional tennis circuit organized by the ATP. The 2018 ATP Challenger Tour calendar comprised 159 tournaments, with prize money ranging from $50,000 up to $150,000. It was the 41st edition o ...

. It took place in

Calgary Calgary ( ) is the largest city in the western Canadian province of Alberta and the largest metro area of the three Prairie Provinces. As of 2021, the city proper had a population of 1,306,784 and a metropolitan population of 1,481,806, makin ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

Singles entrants

Seeds

Other entrants

The following players received wildcards into the singles main draw: *

Steven Diez Steven Diez ( es, Díez, ; 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 ...

Alexis Galarneau Alexis Galarneau (born 2 March 1999) is a Canadian tennis player. Galarneau has a career-high singles ranking by the ATP of world No. 204, achieved on November 21, 2022. He also has a career-high ATP doubles ranking of 362, achieved on October ...

* Pavel Krainik * Harrison Scott The following players received entry into the singles main draw as alternates: *

Cem İlkel Cem İlkel (born 21 August 1995) is a Turkish tennis player. İlkel has a career high Association of Tennis Professionals, ATP singles ranking of No. 144 achieved on 29 November 2021. He also has a career high ATP doubles ranking of No. 299 achi ...

Stefan Kozlov Stefan Kozlov (, ; born February 1, 1998) is an American professional tennis player of Russian descent. He has a career-high ATP ranking of world No. 103 achieved on 18 July 2022 and doubles ranking of world No. 180 on 19 June 2017. Kozlov m ...

The following players received entry from the qualifying draw: *

Tom Fawcett Tom Fawcett (born 18 October 1995) is an American tennis Tennis is a racket sport that is played either individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a tennis racket ...

Borna Gojo Borna Gojo (; born 27 February 1998) is a Croatian tennis player. He has a career high ATP singles ranking of World No. 113, achieved on 20 March 2023. He also has a career high ATP doubles ranking of World No. 394 achieved on 17 January 2022. ...

Vincent Millot Vincent Millot (; born 30 January 1986, in Montpellier, France) is a French former professional tennis Tennis is a racket sport that is played either individually against a single opponent ( singles) or between two teams of two players eac ...

* Pablo Vivero González The following player received entry as a lucky loser: * Laurent Rochette

Champions

Singles

Ivo Karlović Ivo Karlović (; born 28 February 1979) is a former Croatian professional tennis player. His height of 211 cm (6 ft 11 in) makes him the joint tallest ranked tennis player in history, along with Reilly Opelka. He has won eight ATP sin ...

def. Jordan Thompson 7–6^(7–3), 6–3.

Doubles

* Robert Galloway / Nathan Pasha def. Matt Reid /

John-Patrick Smith John-Patrick Tracey "JP" Smith (born 24 January 1989) is an Australian professional tennis player who competes mainly on the ATP Challenger Tour, both in singles and doubles. He attended the University of Tennessee from 2007 through 2011 where ...

6–4, 4–6, 0–6 Calgary National Bank Challenger

2018 File:2018 Events Collage.png, From top left, clockwise: The 2018 Winter Olympics opening ceremony in PyeongChang, South Korea; Protests erupt following the Assassination of Jamal Khashoggi; March for Our Lives protests take place across the United ...