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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Rb5 win in 1 half-moves
4 Rb6 win in 1 half-moves
5 Rb7 win in 1 half-moves
6 Rc8 win in 1 half-moves
7 Ka7 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Rb1 loss in 1 half-moves
10 Rb3 loss in 1 half-moves
11 Rd8 loss in 1 half-moves
12 Re8 loss in 1 half-moves
13 Rf8 loss in 1 half-moves
14 Rg8 loss in 1 half-moves
15 Rh8 loss in 1 half-moves