New Delhi, April 30 -- Anastasia Potapova dropped to her knees, put both hands on her face and started crying.

The "explosion of emotions inside" came after the 56th-ranked Potapova beat Karolina Pliskova 6-1, 6-7 (4), 6-3 on Wednesday at the Madrid Open to become the first "lucky loser" to reach the semifinals of a WTA 1000 event.

She almost gave up the victory, squandering three match points in the second set and having to come back from 3-1 down in the third against the former No. 1-ranked player. It's been an impressive run considering Potapova lost in the qualifying tournament and only got a place in the main draw as a so-called lucky loser following the withdrawal of another player.

"I (had) a few match points in the second set, ...