- Began working with Aryna Sabalenka as her hitting partner before transitioning into coaching her full-time in 2020
- In 2020, the pair won three titles together: Doha, Ostrava, and Linz
- During the 2021 campaign, Sabalenka ended the season at World No.2 and made two grand slam semifinals - Wimbledon (l. Pliskova) and US Open (l. Fernandez). Dubrov coached Sabalenka to two title wins at Abu Dhabi and Madrid
- Though the pair struggled at the beginning and middle of 2022, Dubrov coached Sabalenka to three final appearances, including the WTA Finals in Fort Worth (l. Garcia)
- 2023 saw Sabalenka lift her first Grand Slam trophy at the Australian Open