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 Kb4 draw
3 Kc2 draw
4 Kc4 draw
5 Kd2 draw
6 Kd3 draw
7 Kd4 draw
8 Rb2 draw
9 Rb5 loss in 28 half-moves
10 Ra3 loss in 16 half-moves
11 Kb2 loss in 12 half-moves
12 Rb4 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves