| Women's singles | |
|---|---|
| 2018 President's Cup (tennis) | |
| Champion |  Ekaterine Gorgodze |
| Runner-up |  Sabina Sharipova |
| Score | 6–4, 6–1 |
Zhang Shuai was the defending champion, but chose not to participate.
Ekaterine Gorgodze won the title after defeating Sabina Sharipova 6–4, 6–1 in the final.
Sabina Sharipova (final)
Marie Bouzková (semifinals)
Nina Stojanović (second round)
Olga Doroshina (quarterfinals) Ekaterine Gorgodze (champion) Nigina Abduraimova (second round) Valeria Savinykh (second round)
Mai Minokoshi (second round)| Semifinals | Final | ||||||||||||
| 1 | Sabina Sharipova | 6 | 6 | ||||||||||
| Varvara Flink | 3 | 4 | |||||||||||
| 1 | Sabina Sharipova | 4 | 1 | ||||||||||
| 5 | Ekaterine Gorgodze | 6 | 6 | ||||||||||
| 5 | Ekaterine Gorgodze | 6 | 4 | 6 | |||||||||
| 2 | Marie Bouzková | 2 | 6 | 4 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S Sharipova | 5 | 6 | 6 | |||||||||||||||||||||||
 V Heisen | 7 | 1 | 3 | 1 | S Sharipova | 6 | 6 | ||||||||||||||||||||
| Q | K Laskutova | 2 | 4 |  B Cengiz | 1 | 3 | |||||||||||||||||||||
| B Cengiz | 6 | 6 | 1 | S Sharipova | 6 | 7 | |||||||||||||||||||||
| N Kostić | 6 | 7 | N Kostić | 3 | 5 | ||||||||||||||||||||||
| S Lansere | 4 | 5 | N Kostić | 6 | 6 | ||||||||||||||||||||||
| Q | A Frolova | 3 | 4 | 7 | V Savinykh | 4 | 3 | ||||||||||||||||||||
| 7 | V Savinykh | 6 | 6 | 1 | S Sharipova | 6 | 6 | ||||||||||||||||||||
| 4 | O Doroshina | 6 | 7 | V Flink | 3 | 4 | |||||||||||||||||||||
 I Shymanovich | 3 | 5 | 4 | O Doroshina | 6 | 6 | |||||||||||||||||||||
| A Morgina | 7 | 3 | 2 | N Kukharchuk | 2 | 0 | |||||||||||||||||||||
| N Kukharchuk | 5 | 6 | 6 | 4 | O Doroshina | 4 | 3 | ||||||||||||||||||||
| V Flink | 6 | 6 | V Flink | 6 | 6 | ||||||||||||||||||||||
| M Bolkvadze | 3 | 3 | V Flink | 6 | 6 | ||||||||||||||||||||||
| Q | B Jovanovski Petrović | 3 | 2 | 6 | N Abduraimova | 4 | 3 | ||||||||||||||||||||
| 6 | N Abduraimova | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | E Gorgodze | 6 | 6 | ||||||||||||||||||||||||
| WC |  A Astakhova | 2 | 4 | 5 | E Gorgodze | 7 | 77 | ||||||||||||||||||||
| A Amanmuradova | 6 | 6 | A Amanmuradova | 5 | 64 | ||||||||||||||||||||||
| G Ainitdinova | 2 | 1 | 5 | E Gorgodze | 6 | 6 | |||||||||||||||||||||
| E Kazionova | 3 | 4 | A Gasanova | 4 | 4 | ||||||||||||||||||||||
| A Gasanova | 6 | 6 | A Gasanova | 78 | 6 | ||||||||||||||||||||||
 N Bains | 0 | 4 | 3 | N Stojanović | 66 | 3 | |||||||||||||||||||||
| 3 | N Stojanović | 6 | 6 | 5 | E Gorgodze | 6 | 4 | 6 | |||||||||||||||||||
| 8 | M Minokoshi | 6 | 7 | 2 | M Bouzková | 2 | 6 | 4 | |||||||||||||||||||
| WC | D Detkovskaya | 1 | 5 | 8 | M Minokoshi | 3 | 4 | ||||||||||||||||||||
| Q | D Astakhova | 0 | 6 | 5 | E Yashina | 6 | 6 | ||||||||||||||||||||
| E Yashina | 6 | 2 | 7 | E Yashina | 3 | 77 | 2 | ||||||||||||||||||||
| WC |  K-y Ng | 3 | 4 | 2 | M Bouzková | 6 | 63 | 6 | |||||||||||||||||||
| WC | A Danilina | 6 | 6 | WC | A Danilina | 2 | 1 | ||||||||||||||||||||
 U Radwańska | 6 | 3 | 5 | 2 | M Bouzková | 6 | 6 | ||||||||||||||||||||
| 2 | M Bouzková | 2 | 6 | 7 | |||||||||||||||||||||||
Kristýna Plíšková won the title, defeating defending champion Nao Hibino in the final, 6–3, 2–6, 6–3.
Elina Svitolina was the defending champion but withdrew before her second round match.
Ivana Jorović was the defending champion but lost in the first round to Sabina Sharipova.
The 2018 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the thirteenth (ATP) and tenth (ITF) editions of the tournament and was part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Astana, Kazakhstan, on 16–22 July 2018.
Tamara Korpatsch was the defending champion, but lost in the semifinals to Laura Siegemund.
Anastasia Pavlyuchenkova was the defending champion, but chose to compete in Linz instead.
Ekaterine Gorgodze was the defending champion, but chose to participate at the 2019 Bucharest Open instead.
Tamara Zidanšek was the two-time defending champion, having won the last edition in 2019, however she was unable to defend her title as she was still competing at the 2021 French Open, reaching the semi-final of the Grand Slam.
Simona Halep was the defending champion, having won the previous edition in 2013, but chose not to participate.
Maryna Zanevska won her maiden WTA Tour singles title, defeating Kristína Kučová in the final, 6–4, 7–6(7–4).
Maja Chwalińska was the defending champion but chose not to participate.
Lara Arruabarrena and Renata Voráčová were the defending champions having won the previous edition in 2019, but chose not to participate.
This was the first edition of the tournament.
Julia Grabher was the defending champion but chose not to participate.
Jule Niemeier was the defending champion but chose not to participate.
Jasmine Paolini was the defending champion, but chose not to participate.
Ysaline Bonaventure and Ekaterine Gorgodze were the defending champions, but Bonaventure chose not to participate. Gorgodze partnered Irina Bara but lost in the semifinals to eventual champions Aliona Bolsova and Rebeka Masarova.
Mihaela Buzărnescu and Fanny Stollár were the defending champions, but only Stollár chose to defend her title, partnering Tímea Babos. Stollár lost in the semifinals to Katarzyna Piter and Kimberley Zimmermann.
Irina Bara and Ekaterine Gorgodze were the defending champions, but chose to defend their title with different partners. Gorgodze partnered Tímea Babos, but they lost in the first round to Danka Kovinić and Nadia Podoroska.
Irina Bara and Ekaterine Gorgodze were the defending champions, but chose to participate with different partners. Bara played alongside Réka Luca Jani but lost in the quarterfinals to Andrea Gámiz and Eva Vedder. Gorgodze played alongside Tímea Babos but lost in the first round to Amina Anshba and Darya Astakhova.