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 Rb1 win in 3 half-moves
4 Kd2 win in 7 half-moves
5 Kc2 draw
6 Kd1 draw
7 Ke2 draw
8 Ke3 draw
9 Kf2 draw
10 Kg2 draw
11 Kg3 draw
12 Ra2 draw
13 Ra3 draw
14 Ra4 draw
15 Ra8 draw
16 Ke4 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves