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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc1 draw
5 Kc6 draw
6 Ke1 draw
7 Ra3 draw
8 Ra5 draw
9 Ra7 draw
10 Ra8 draw
11 Rb1 draw
12 Rc1 draw
13 Kc2 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra6 loss in 2 half-moves