Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Kd1 win in 1 half-moves
3 Kd2 win in 1 half-moves
4 Ra8 win in 1 half-moves
5 Ra5 draw
6 Ra6 draw
7 Ra7 draw
8 Rb1 draw
9 Kc2 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Kb1 loss in 1 half-moves