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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Rb1 draw
3 Rb2 draw
4 Ka7 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kbb7 loss in 2 half-moves
7 Kbc7 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kcb7 loss in 2 half-moves
11 Kcc7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb7 loss in 2 half-moves