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

EGTB: win in 12 half-moves

# move score
1 Rb7 win in 11 half-moves
2 Kd2 draw
3 Kd3 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Ke6 draw
8 Ke8 draw
9 Kf6 draw
10 Kf7 draw
11 Kf8 draw
12 Ra3 draw
13 Kb2 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb8 loss in 2 half-moves