Zizou Bergs (born 3 June 1999) is a Belgian professional tennis player.
He has a career high ATP singles ranking of World No. 112 achieved on 6 February 2023.
He also has a career high ATP doubles ranking of World No. 265 achieved on 27 November 2023.
He is currently the No. 1 Belgian singles tennis player.
2020
Bergs made his ATP main draw debut at the 2020 European Open after receiving a wildcard for the singles main draw.
In the first round, he recorded his first ATP victory by defeating Albert Ramos Viñolas in straight sets, before pushing world No. 17 Karen Khachanov to three sets.
Bergs won his first Challenger title at the 2021 Saint Petersburg Challenger in March and later on in the month, would win his second Challenger title at the 2021 Lille Challenger.
In June, he won his third Challenger title at the 2021 Almaty Challenger.
After a second round showing at the 2021 Swiss Open Gstaad where he defeated fellow qualifier Oscar Otte in the first round, he reached the top 200 at World No. 196 on 26 July 2021.
He reached his first final of the season at the Saint-Brieuc Challenger losing to Jack Draper.
In May, he reached his second Challenger final of the season at the 2022 Saturn Oil Open in Troisdorf, Germany, where he lost to Lukáš Klein.
Ranked No. 207, he won the 2022 Ilkley Trophy as a qualifier defeating lucky loser Alexei Popyrin in the semifinals and Jack Sock in the final.
As a result he won the last 2022 Wimbledon wildcard where he made his Grand Slam debut.
He also climbed more than 60 positions up the rankings to a new career-high of World No. 146 on 20 June 2022.
On his debut as the No. 2 player from Belgium, he lost his two singles matches at the inaugural 2023 United Cup against world No. 196 Bulgarian Dimitar Kuzmanov and world No. 803 Greek Stefanos Sakellaridis.
He made his debut by qualifying for the main draw at the 2023 Australian Open defeating another Bulgarian Adrian Andreev.
In the first round, he lost to Serbian Laslo Djere.
He received a wildcard for the 2023 Miami Open main draw but lost to lucky loser Thanasi Kokkinakis.
He entered the 2023 U.S. Men's Clay Court Championships also as a lucky loser into the second round after the late withdrawal of third seed Brandon Nakashima but lost to Cristian Garin.
He entered the 2023 Ilkley Trophy Challenger as the defending champion but lost to Denis Kudla in the second round.
After a couple of months away from the Tour due to a torn ligament in his left wrist, he returned
at the 2023 Chengdu Open after he received a wildcard, but lost to Dušan Lajović.
He also played at his home tournament, the 2023 European Open in singles qualifying and in doubles with Tibo Colson, and at the Calgary Challenger, Canada where he reached the quarterfinals.
He won his sixth Challenger in Drummondville, Canada and his seventh in Yokkaichi, Japan.
