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 Kcd7 draw
5 Kd6 draw
6 Kd8 draw
7 Ke7 draw
8 Ked7 draw
9 Kf7 draw
10 Kf8 draw
11 Ra6 draw
12 Rb7 draw
13 Rb8 draw
14 Kb5 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves