

Introduction
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. 345 achieved on 26 June 2023. He is currently the No. 3 Belgian singles tennis player.
Professional career
2020: ATP debut and first win
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.
2021: Three ATP Challenger titles, top 200 debut
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.
2022: Fourth Challenger title, Grand Slam & top 150 debut
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.
2023: United Cup, Australian Open and Masters debuts, top 125
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 as a lucky loser into the second round after the late withdrawal of third seed Brandon Nakashima.
He entered the 2023 Ilkley Trophy Challenger as the defending champion but lost to Denis Kudla in the second round.
Future and Challenger finals
Singles: 16 (9–7)
| Titles by surface |
|---|
| Legend (singles) |
| ATP Challenger Tour (5–3) |
| ITF Futures Tour (4–4) |
| Titles by surface |
| Hard (5–4) |
| Clay (3–3) |
| Grass (1–0) |
| Carpet (0–0) |
| ATP Challenger Tour (5–3) |
| ITF Futures Tour (4–4) |
| Hard (5–4) |
| Clay (3–3) |
| Grass (1–0) |
| Carpet (0–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | Jan 2018 | Turkey F2, Antalya | Futures | Hard | Dimitar Kuzmanov | 6–3, 6–4 | |
| Win | May 2018 | Poland F1, Wisła | Futures | Clay | Michael Vrbenský | 3–6, 6–1, 6–2 | |
| Loss | Jul 2018 | Belgium F2, Arlon | Futures | Clay | Juan Pablo Varillas | 6–7, 6–4, 1–6 | |
| Loss | Jul 2018 | Belgium F5, Duinbergen | Futures | Clay | Jeroen Vanneste | 6–7, 3–6 | |
| Win | Mar 2019 | M15 Doha, Qatar | World Tennis Tour | Hard | Adrian Obert | 6–4, 6–1 | |
| Loss | Jan 2020 | M15 Monastir, Tunisia | World Tennis Tour | Hard | Nuno Borges | 4–6, 6–7 | |
| Loss | Feb 2020 | M15 Heraklion, Greece | World Tennis Tour | Hard | Clement Geens | 6–3, 4–6, 1–6 | |
| Win | Nov 2020 | M15 Bratislava, Slovakia | World Tennis Tour | Hard (i) | Bogdan Bobrov | 6–4, 6–2 | |
| Win | Mar 2021 | St. Petersburg, Russia | Challenger | Hard (i) | Altuğ Çelikbilek | 6–4, 3–6, 6–4 | |
| Win | Mar 2021 | Lille, France | Challenger | Hard (i) | Grégoire Barrère | 4–6, 6–1, 7–6 | |
| Win | Jun 2021 | Almaty, Kazakhstan | Challenger | Clay | Timofey Skatov | 4–6, 6–3, 6–2 | |
| Loss | Mar 2022 | Saint-Brieuc, France | Challenger | Hard (i) | Jack Draper | 2–6, 7–5, 4–6 | |
| Loss | May 2022 | Troisdorf, Germany | Challenger | Clay | Lukáš Klein | 2–6, 4–6 | |
| Win | Jun 2022 | Ilkley, United Kingdom | Challenger | Grass | Jack Sock | 7–6, 2–6, 7–6 | |
| Loss | Aug 2022 | Mallorca, Spain | Challenger | Hard | Luca Nardi | 6–7, 6–3, 5–7 | |
| Win | Apr 2023 | Tallahassee, United States | Challenger | Clay | Wu Tung-lin | 7–5, 6–2 |
Doubles 8 (4–4)
| Titles by surface |
|---|
| Legend (doubles) |
| ATP Challenger Tour (0–0) |
| ITF Futures Tour (4–4) |
| Titles by surface |
| Hard (3–2) |
| Clay (1–2) |
| Grass (0–0) |
| Carpet (0–0) |
| ATP Challenger Tour (0–0) |
| ITF Futures Tour (4–4) |
| Hard (3–2) |
| Clay (1–2) |
| Grass (0–0) |
| Carpet (0–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | Mar 2018 | Qatar F1, Doha | Futures | Hard | Scott Griekspoor | Jonas Merckx Fred Simonsson |
7–6, 3–6, [4–10] | |
| Win | Mar 2018 | Qatar F2, Doha | Futures | Hard | Fred Simonsson | Marek Gengel Matěj Vocel |
6–4, 3–6, [10–6] | |
| Loss | Jul 2018 | Italy F12, Reggio Emilia | Futures | Clay | Maxime Tabatruong | Tuna Altuna Alexandar Lazov |
4–6, 2–6 | |
| Win | Mar 2019 | M15 Doha, Qatar | World Tennis Tour | Hard | Geoffrey Blancaneaux | Arnaud Bovy Jesper de Jong |
6–2, 6–4 | |
| Win | Aug 2019 | M15 Koksijde, Belgium | World Tennis Tour | Clay | Dan Added | Romain Barbosa Arnaud Bovy |
6–4, 3–6, [10–3] | |
| Loss | Oct 2019 | M15 Benicarló, Spain | World Tennis Tour | Clay | Tiago Cação | Pablo Llamas Ruiz Benjamín Winter López |
3–6, 4–6 | |
| Win | Nov 2019 | M15 Monastir, Tunisia | World Tennis Tour | Clay | Francesco Vilardo | Aziz Dougaz Benjamin Lock |
6–3, 6–4 | |
| Loss | Dec 2019 | M15 Doha, Qatar | World Tennis Tour | Hard | Zura Tkemaladze | Simon Freund Jonathan Mridha |
1–6, 0–6 |