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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb6 draw
5 Kb7 draw
6 Kc2 draw
7 Kc5 draw
8 Kc7 draw
9 Kd1 draw
10 Kd2 draw
11 Ra4 draw
12 Rb4 draw
13 Rc2 draw
14 Rc3 draw
15 Rd4 draw
16 Re4 draw
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves