HALLE, GERMANY - JUNE 25: Alexander Bublik of Kazakhstan serves in the final match against Andrey Rublev of Russia during day nine of the Terra Wortmann Open at OWL-Arena on June 25, 2023 in Halle, Germany. (Photo by Thomas F. Starke/Getty Images)
HALLE, GERMANY - JUNE 25: Alexander Bublik of Kazakhstan serves in the final match against Andrey Rublev of Russia during day nine of the Terra Wortmann Open at OWL-Arena on June 25, 2023 in Halle, Germany. (Photo by Thomas F. Starke/Getty Images)