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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb3 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Rb7 win in 1 half-moves
7 Rc4 win in 1 half-moves
8 Rd4 win in 1 half-moves
9 Re4 win in 1 half-moves
10 Rf4 win in 1 half-moves
11 Rg4 win in 1 half-moves
12 Ka7 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 1 half-moves
15 Ra4 loss in 1 half-moves
16 Rb8 loss in 1 half-moves
17 Rh4 loss in 1 half-moves