2019 Nur-Sultan Challenger – Singles

This was the first edition of the tournament.

Illya Marchenko won the title after defeating Yannick Maden 4–6, 6–4, 6–3 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇫🇷 Corentin Moutet (quarterfinals)

• # 🇷🇺 Evgeny Donskoy (quarterfinals)

• # 🇹🇳 Malek Jaziri (third round)

• # 🇧🇾 Ilya Ivashka (third round)

• # 🇩🇪 Yannick Maden (final)

• # 🇷🇸 Viktor Troicki (second round)

• # 🇺🇿 Denis Istomin (third round, retired)

• # 🇷🇺 Alexey Vatutin (quarterfinals)

• # 🇧🇪 Ruben Bemelmans (semifinals)

• # 🇰🇿 Dmitry Popko (second round)

• # 🇮🇹 Matteo Viola (second round)

• # 🇰🇿 Aleksandr Nedovyesov (third round)

• # 🇷🇺 Roman Safiullin (second round)

• # 🇮🇳 Sasikumar Mukund (second round)

• # 🇯🇵 Hiroki Moriya (second round)

• # 🇷🇺 Evgeny Karlovskiy (second round, retired)