Isabella Kruger is a South African tennis player. She has a career high singles ranking of No. 330 achieved on 26 December 2022. She is the daughter of former international rugby union player Ruben Kruger.
Career Juniors She reached the quarter-finals of the Girls' singles at the 2022 Wimbledon Championships.
On 27 May 2025, Kruger joined to Auburn Tigers.
Professional In 2023, she was selected as a teenager for the South African team in the Billie Jean King Cup. She made her debut in April 2023 as an 18-year-old against Estonia.
In February 2024, she was the number one ranked South African female tennis player. In March 2024, playing alongside her sister Zoë Kruger, she reached the final of the Wiphold International where they faced Alina Charaeva and Ekaterina Reyngold in the final, losing in three sets.
In June 2024, she competed for South Africa again in the Billie Jean King Cup.
Personal life Born in Pretoria, her father is South African former international rugby union player Ruben Kruger. Her sister Zoë Kruger is also a tennis player.
ITF Circuit finals Singles: 3 (1 title, 2 runner-ups) LegendW25 tournaments (0–2)W15 tournaments (1–0)Finals by surfaceHard (1–1)Carpet (0–1) ResultW–LDateTournamentTierSurfaceOpponentScoreLoss 0–1 May 2022ITF Tossa de Mar, Spain W25+H Carpet Rosa Vicens Mas 5–7, 3–6Loss 0–2 Sep 2022ITF Santarém, PortugalW25 Hard Vitalia Diatchenko 3–6, 2–6Win 1–2 Jun 2024ITF Hillcrest, South AfricaW15 Hard Michika Ozeki 6–2, 6–4
Doubles: 3 (3 runner-ups) LegendW50 tournaments (0–1)W35 tournaments (0–1)W15 tournaments (0–1)Finals by surfaceHard (0–3) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss 0–1 Feb 2024ITF Pretoria, South AfricaW50 Hard Zoë Kruger Alina Charaeva Ekaterina Reyngold 0–6, 7–5, [3–10]Loss 0–2 Jul 2024ITF Hillcrest, South AfricaW35 Hard Zoë Kruger Ksenia Laskutova Verena Meliss 2–6, 5–7Loss 0–3 Sep 2026ITF Nashville, United StatesW15 Hard Emma Kamper Erin Pearce Mia Yamakita 6–1, 2–6, [8–10]
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