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 Kb5 draw
3 Kc5 draw
4 Kcc7 draw
5 Kd5 draw
6 Kd7 draw
7 Ra6 draw
8 Rb2 draw
9 Ka6 loss in 1 half-moves
10 Ka7 loss in 1 half-moves
11 Ka8 loss in 1 half-moves
12 Kb8 loss in 1 half-moves
13 Kbc7 loss in 1 half-moves
14 Kc8 loss in 1 half-moves
15 Kd6 loss in 1 half-moves
16 Rb3 loss in 1 half-moves
17 Rb4 loss in 1 half-moves
18 Rb5 loss in 1 half-moves