Video - Lunar Moment in Shanghai: When Kyrgios Challenges His Own Serve Hoping It's a Fault

Few players call upon hawk-eye to see their ball go out of bounds. Yet that's exactly what Nick Kyrgios did at the 2015 Shanghai Masters 1000.

Frustrated by an unplayable return from Kei Nishikori, the Australian, with a smile on his lips, had requested a challenge hoping his serve would be called a fault. The electronic line-calling system did not rule in his favor, as the ball had bounced inside the service box.

Kyrgios, who was 20 years old at the time, lost this match in three sets (1-6, 6-4, 6-4).