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 Rb2 win in 1 half-moves
3 Rb3 win in 1 half-moves
4 Kb5 draw
5 Kb7 draw
6 Kc5 draw
7 Kc7 draw
8 Kd5 draw
9 Kd6 draw
10 Kd7 draw
11 Ra6 draw
12 Rb4 draw
13 Rb5 draw
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves