Nam Ji-sung

Challengers

 * Doubles
 * 🇺🇸 Little Rock (29 May 2023) – 🇰🇷 Nam Ji-sung / 🇳🇿 Artem Sitak def. 🇨🇦 Alexis Galarneau / 🇺🇸 Nicolas Moreno de Alboran, 6–4, 6–4.
 * 🇪🇸 Pozoblanco (17 Jul 2023) – 🇰🇷 Nam Ji-sung / 🇰🇷 Song Min-kyu def. 🇬🇧 Luke Johnson / Benjamin Lock, 2–6, 6–4, [10–8].