Boxing Estrada moved a step closer to becoming the undisputed champion

[Lupin]

The 30-year-old from east Los Angeles also picked spots where she would work on the inside, landing hard body shots before slipping aside to avoid any counters.

Rupprecht tried to land her signature right hand and was successful at times, but not nearly enough to faze her opponent. All three judges scored it a shutout, 100-90.