Here are the results from the previous round:
Cheshire vs. Cassandra Cain 9-6
Deathstroke vs. Superboy (Kon-El) 9-6
Gorilla Grodd vs. Shade, the Changing Man 12-3
Sandman (Morpheus) vs. The Penguin 10-5
Talia al Ghul vs. Hourman (Rick Tyler) 9-6
The Ocean Master vs. Phantom Lady (Jennifer Knight) 10-5
Ice vs. Robin (Damian Wayne) 6-9
The Cheetah (Barbara Minerva) vs. Dawnstar 8-7
You vote for the one who you like more, not who's the strongest one in a fight and have fun:
Deathstroke vs. Sandman (Morpheus)
The Cheetah (Barbara Minerva) vs. The Ocean Master
Gorilla Grodd vs. Robin (Damian Wayne)
Talia al Ghul vs. Cheshire