Isabelle Haverlag

Isabelle Haverlag (born 4 March 2001) is a tennis player from the Netherlands. Haverlag has a career-high singles ranking of No. 1236, and a career-high doubles ranking of No. 159.

Doubles

 * 🇹🇷 Bodrum (15 May 2023) – 🇷🇴 Oana Gavrilă / Isabelle Haverlag def. 🇹🇷 Ayla Aksu / 🇬🇧 Harriet Dart, 6–4, 7–6(7–3).
 * 🇮🇹 Cordenons (31 Jul 2023) – 🇮🇹 Angelica Moratelli / 🇮🇹 Camilla Rosatello def. Isabelle Haverlag /  Eva Vedder, 0–6, 6–2, [10–5].
 * Oldenzaal (28 Aug 2023) – 🇧🇬 Gergana Topalova / Daniela Vismane def.  Isabelle Haverlag /  Eva Vedder, 7–5, 2–6, [10–5].
 * 🇫🇷 Nantes (30 Oct 2023) – 🇬🇧 Ali Collins / 🇬🇧 Lily Miyazaki def. 🇬🇧 Emily Appleton / Isabelle Haverlag, 7–6(7–4), 6–2.
 * 🇱🇺 Pétange (13 Nov 2023) – 🇬🇧 Alicia Barnett / 🇬🇧 Samantha Murray Sharan def. 🇬🇧 Ali Collins / Isabelle Haverlag, 6–7(4–7), 6–1, [10–6].