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