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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kd5 draw
5 Kd6 draw
6 Ra5 draw
7 Rb1 draw
8 Rb2 draw
9 Rb4 draw
10 Rb7 draw
11 Rb8 draw
12 Kb4 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Rb6 loss in 2 half-moves