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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rb7 draw
3 Rb8 draw
4 Ka1 loss in 2 half-moves
5 Ka2 loss in 2 half-moves
6 Kbb2 loss in 2 half-moves
7 Kbc2 loss in 2 half-moves
8 Kc1 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kcb2 loss in 2 half-moves
11 Kcc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves