Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Rg4 win in 1 half-moves
3 Rg5 win in 1 half-moves
4 Rg6 win in 1 half-moves
5 Rb2 win in 10 half-moves
6 Ra2 win in 22 half-moves
7 Rc2 loss in 2 half-moves
8 Rd2 loss in 2 half-moves
9 Re2 loss in 2 half-moves
10 Rf2 loss in 2 half-moves
11 Rg1 loss in 2 half-moves
12 Rg7 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh2 loss in 2 half-moves