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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Rb1 win in 11 half-moves
4 Rb5 win in 11 half-moves
5 Rb7 win in 11 half-moves
6 Rb8 win in 11 half-moves
7 Rb4 draw
8 Kb2 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 K3b4 loss in 1 half-moves
19 K3c4 loss in 1 half-moves
20 K3d4 loss in 1 half-moves
21 K5b4 loss in 1 half-moves
22 K5c4 loss in 1 half-moves
23 K5d4 loss in 1 half-moves