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 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Ka2 win in 5 half-moves
5 Kb2 win in 5 half-moves
6 Kc2 win in 5 half-moves
7 Kc4 win in 5 half-moves
8 Re4 win in 5 half-moves
9 Re6 win in 5 half-moves
10 Ka1 draw
11 Kc1 draw
12 Kc6 draw
13 Kd4 draw
14 Kd5 draw
15 Kd6 draw
16 Rd5 draw
17 Re3 draw
18 Re7 draw
19 Re8 draw
20 Rf5 draw
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rh5 loss in 2 half-moves