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