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 Kb6 draw
3 Kc4 draw
4 Kc6 draw
5 Kd5 draw
6 Kd6 draw
7 Ra5 draw
8 Rb6 draw
9 Kb4 loss in 22 half-moves
10 Kd4 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves