2019 US Open Tennis Tournament- Day Three. Novak Djokovic of Serbia receives treatment on his left shoulder during his match against Juan Ignacio Londero of Argentina in the Men's Singles Round Two match on Arthur Ashe Stadium at the 2019 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on August 27th, 2019 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)
2019 US Open Tennis Tournament- Day Three. Novak Djokovic of Serbia in action against Juan Ignacio Londero of Argentina in the Men's Singles Round Two match on Arthur Ashe Stadium at the 2019 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on August 27th, 2019 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)
2019 US Open Tennis Tournament- Day Three. Novak Djokovic of Serbia in action against Juan Ignacio Londero of Argentina in the Men's Singles Round Two match on Arthur Ashe Stadium at the 2019 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on August 27th, 2019 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)
2019 US Open Tennis Tournament- Day Three. Juan Ignacio Londero of Argentina in action against Novak Djokovic of Serbia in the Men's Singles Round Two match on Arthur Ashe Stadium at the 2019 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on August 27th, 2019 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)
