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