Hydra need to 5-1 Byul?
Rabbit has 5-4 and 2-5 for 7-9.
Byul has 5-2.
Hydra vs Byul 5-1 would be, 9-6 vs Byul's 6-7.
5-2 would be hydra 9-7 and Byul 7-7. 5-3 would be Hydra 9-8 and Byul 8-7, which would be a better Ratio for Byul. Hydra can at Most go 5-2 vs Byul.