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