Big thanks to Global Honored for the extra votes!
Here are the results from the previous round:
Fire vs. Dr. Light (Kimiyo Hoshi) 12-6
Robotman (Cliff Steele) vs. Gorilla Grodd 13-5
Metamorpho vs. The Mad Hatter 11-7
Brainiac 5 vs. Harley Quinn 9-10
Orion vs. Vandal Savage 12-6
Big Barda vs. Amazo 15-3
Black Lightning vs. Killer Croc 11-7
Ra's Al Ghul vs. The Creeper (Jack Ryder) 10-8
The Spectre (Jim Corrigan) vs. Lady Shiva 13-5
Negative Man vs. Superboy (Kon-El) 11-7
Black Manta vs. Firestorm (Raymond & Rusch) 11-7
Shade (Richard Swift) vs. Etrigan the Demon 6-12
Poison Ivy vs. Green Lantern (Mogo) 12-6
Cosmic Boy vs. Wonder Girl (Cassandra Sandsmark) 9-10
Plastic Man vs. Solomon Grundy 7-11
Ice vs. Star Sapphire (Carol Ferris) 9-10
You vote for the one who you like more, not who's the strongest in a fight and have fun:
The Spectre (Jim Corrigan) vs. Negative Man
Big Barda vs. Black Lightning
Orion vs. Harley Quinn
Fire vs. Ra's Al Ghul
Poison Ivy vs. Star Sapphire (Carol Ferris)
Etrigan the Demon vs. Black Manta
Solomon Grundy vs. Wonder Girl (Cassandra Sandsmark)
Robotman (Cliff Steele) vs. Metamorpho