Vijay Sundar Prasanth made it to the main draw joining compatriots Somdev Devvarman and Ramkumar Ramanthan as he rallied to beat Ukraine's Illaya Marchenko 2-6, 7-6 (7), 7-5 in a marathon third round of the qualifying event.
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Prashanth, who had ousted Yuki Bhamnbri, faces world number 65 Jiri Vesely od Czech Republic in his first round of the main draw on Tuesday.
Meanwhile, seventh seeded Marcel Granollers of Sapin became the first causality when he retired midway in his opening round contest against unseeded Austrian Haider-Maurer due to cramps.
Granollers lost the first set 3-6 but turned the tables winning the second via tie break 7-6 (6) and was trailing 0-2 in the decider when he suffered cramps and gave in.
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