BOSTON, MASSACHUSETTS – SEPTEMBER 25: Nick Kyrgios of Team World plays a shot against Stefanos Tsitsipas of Team Europe during the fifth match during Day 2 of the 2021 Laver Cup at TD Garden on September 25, 2021 in Boston, Massachusetts. (Photo by Clive Brunskill/Getty Images for Laver Cup)BOSTON, MASSACHUSETTS – SEPTEMBER 25: Stefanos Tsitsipas of Team Europe returns a shot against Nick Kyrgios of Team World during their match on Day 2 of the 2021 Laver Cup at TD Garden on September 25, 2021 in Boston, Massachusetts. (Photo by Adam Glanzman/Getty Images for Laver Cup)BOSTON, MASSACHUSETTS – SEPTEMBER 25: Alexander Zverev of Team Europe reacts after his match against John Isner of Team World during Day 2 of the 2021 Laver Cup at TD Garden on September 25, 2021 in Boston, Massachusetts. (Photo by Adam Glanzman/Getty Images for Laver Cup)BOSTON, MASSACHUSETTS – SEPTEMBER 25: John Isner of Team World reacts to a shot against Alexander Zverev of Team Europe during the sixth match during Day 2 of the 2021 Laver Cup at TD Garden on September 25, 2021 in Boston, Massachusetts. (Photo by Clive Brunskill/Getty Images for Laver Cup)BOSTON, MASSACHUSETTS – SEPTEMBER 25: Daniil Medvedev of Team Europe plays a shot against Denis Shapovalov of Team World during the seventh match during Day 2 of the 2021 Laver Cup at TD Garden on September 25, 2021 in Boston, Massachusetts. (Photo by Clive Brunskill/Getty Images for Laver Cup)BOSTON, MASSACHUSETTS – SEPTEMBER 25: Denis Shapovalov of Team World serves a shot against Daniil Medvedev of Team Europe during the seventh match during Day 2 of the 2021 Laver Cup at TD Garden on September 25, 2021 in Boston, Massachusetts. (Photo by Clive Brunskill/Getty Images for Laver Cup)BOSTON, MASSACHUSETTS – SEPTEMBER 25: John Isner of Team World reacts with Nick Kyrgios of Team World during their match against Andrey Rublev and Stefanos Tsitsipas of Team Europe during the eighth match during Day 2 of the 2021 Laver Cup at TD Garden on September 25, 2021 in Boston, Massachusetts. (Photo by Carmen Mandato/Getty Images for Laver Cup)BOSTON, MASSACHUSETTS – SEPTEMBER 25: Andrey Rublev and Stefanos Tsitsipas of Team Europe play a shot against John Isner and Nick Kyrgios of Team World during the eighth match during Day 2 of the 2021 Laver Cup at TD Garden on September 25, 2021 in Boston, Massachusetts. (Photo by Clive Brunskill/Getty Images for Laver Cup)
