Nick Kyrgios sparks fresh controversy in Stuttgart comeback, chair umpire clash overshadows gritty defeat

Nick Kyrgios lost 6-4, 6-7(1), 4-6 to Sho Shimabukuro in the BOSS Open Round of 16 in Stuttgart.

The Australian’s match was marked by a heated disagreement with the chair umpire over a ball-change announcement.

Despite the defeat, Kyrgios showed encouraging form in only his second tournament match since returning from major wrist and knee injuries.