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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Rc2 win in 1 half-moves
3 Rc3 win in 1 half-moves
4 Rc4 win in 1 half-moves
5 Rc5 win in 1 half-moves
6 Rc6 win in 1 half-moves
7 Rc8 win in 1 half-moves
8 Kc6 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Ka6 loss in 1 half-moves
14 Ka8 loss in 1 half-moves
15 Kb6 loss in 1 half-moves
16 Kb7 loss in 1 half-moves
17 Kb8 loss in 1 half-moves
18 Kd6 loss in 1 half-moves
19 Kd8 loss in 1 half-moves
20 Rb7 loss in 1 half-moves