2021 President's Cup (tennis)

The 2021 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the fifteenth and twelfth editions of the tournament which were part of the 2021 ATP Challenger Tour and the 2021 ITF Women's World Tennis Tour. It took place in Nur-Sultan, Kazakhstan between 12 and 18 July 2021.

Seeds

 * 1 Rankings are as of 28 June 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇰🇿 Grigoriy Lomakin
 * 🇰🇿 Dostanbek Tashbulatov
 * 🇰🇿 Beibit Zhukayev

The following players received entry from the qualifying draw:
 * 🇷🇺 Yan Bondarevskiy
 * 🇷🇺 Artem Dubrivnyy
 * 🇺🇦 Oleksii Krutykh
 * 🇷🇺 Andrey Kuznetsov

Seeds

 * 1 Rankings are as of 28 June 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇰🇿 Gozal Ainitdinova
 * 🇰🇿 Yekaterina Dmitrichenko
 * 🇮🇱 Lina Glushko
 * 🇰🇿 Zhibek Kulambayeva

The following players received entry using protected rankings:
 * 🇯🇵 Hiroko Kuwata
 * 🇹🇭 Peangtarn Plipuech
 * 🇺🇿 Sabina Sharipova
 * 🇷🇺 Valeriya Yushchenko

The following players received entry from the qualifying draw:
 * 🇺🇿 Nigina Abduraimova
 * 🇸🇪 Jacqueline Cabaj Awad
 * 🇷🇺 Angelina Gabueva
 * 🇱🇹 Justina Mikulskytė
 * 🇸🇰 Viktória Morvayová
 * 🇷🇺 Ekaterina Shalimova
 * 🇨🇿 Anna Sisková
 * 🇷🇺 Anastasia Tikhonova

Men's singles

 * 🇦🇺 Max Purcell def. 🇬🇧 Jay Clarke 3–6, 6–4, 7–6(8–6).

Women's singles

 * Mariam Bolkvadze def. 🇷🇺 Valeria Savinykh, 4–6, 6–3, 6–2

Men's doubles

 * Hsu Yu-hsiou / Benjamin Lock def. 🇨🇦 Peter Polansky / 🇺🇦 Sergiy Stakhovsky 2–6, 6–1, [10–7].

Women's doubles

 * 🇷🇺 Alina Charaeva / 🇷🇺 Maria Timofeeva def. 🇷🇺 Evgeniya Levashova / 🇧🇷 Laura Pigossi, 7–6(7–5), 2–6, [10–6]