John Peers

Challengers

 * Doubles
 * 🇮🇹 Turin (15 May 2023) – 🇰🇿 Andrey Golubev / 🇺🇦 Denys Molchanov def. 🇺🇸 Nathaniel Lammons / 🇦🇺 John Peers, 7–6(7–4), 6–7(6–8), [10–5].

Doubles

 * 🇩🇪 Halle (19 Jun 2023) – 🇧🇷 Marcelo Melo / 🇦🇺 John Peers def. 🇮🇹 Simone Bolelli / 🇮🇹 Andrea Vavassori, 7–6(7–3), 3–6, [10–6].

Grand Slam

 * Doubles