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 Kb7 draw
3 Kc7 draw
4 Kd6 draw
5 Kd7 draw
6 Ke6 draw
7 Ke7 draw
8 Kf7 draw
9 Kg5 draw
10 Kg6 draw
11 Kg7 draw
12 Ra6 draw
13 Rb5 draw
14 Rb7 draw
15 Rb8 draw
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves