Doesn't Sveta go in then?
Then me this isn't confusing.
Apparently Svetlana did not win a set in her two losses, and Elena didn't either... so sets do not matter
Sveta's games won in losses: 1 and 1, 1 and 4 = 7
Elena's games won in losses: 1 and 4, 5 and 3 = 13