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

EGTB: win in 4 half-moves

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