Chennai Open: Day four in pictures

Ramkumar Ramanathan's defence was outstanding and he scurried across the court to keep the rallies going.

Ramkumar is ecstatic after beating Alexander Kudryavtsev and progressing to the quarterfinals.

Alexander Kudryavtsev was hitting the ball clean in the first set but succumbed to Ramkumar's persistent rallies in the second and third.

Shivakumar Palani, a racquet stringer, doing his work at the Chennai Open.

Ten-year-old Vihaan Iyer had flown from Singapore to watch the Chennai Open.

Known for his culinary skills, Guillermo Garcia-Lopez dons the role of a chef to make a dosa.

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Ramkumar Ramanathan's defence was outstanding and he scurried across the court to keep the rallies going.