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 Ka1 draw
3 Ka2 draw
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Kb2 draw
8 Kb7 draw
9 Kc1 draw
10 Kc2 draw
11 Kc5 draw
12 Kc6 draw
13 Ra4 draw
14 Rb5 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Kc7 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 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