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

EGTB: win in 2 half-moves

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