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 Rb3 win in 1 half-moves
3 Rb4 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 Kc1 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ka7 loss in 1 half-moves
14 Ka8 loss in 1 half-moves
15 Kb7 loss in 1 half-moves
16 Kc7 loss in 1 half-moves
17 Kc8 loss in 1 half-moves
18 Kd1 loss in 1 half-moves
19 Kd3 loss in 1 half-moves
20 Ra2 loss in 1 half-moves
21 Rc2 loss in 1 half-moves