1
tener mas ganadas que perdidas;dejar (a alguien) por (tres) rondas
1
to have more wins than losses;to lead an opponent (e.g. by two games);to be ahead (in wins);to take the lead
Antonym:
負け越す (まけこす)
2
to take the lead (in points, goals, etc. during a match)
Other forms
勝越す 【かちこす】