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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc3 win in 3 half-moves
4 Kc4 win in 3 half-moves
5 Ra4 win in 5 half-moves
6 Rb4 win in 5 half-moves
7 Ka6 draw
8 Ka8 draw
9 Kb8 draw
10 Kc2 draw
11 Kd2 draw
12 Ke2 draw
13 Ke3 draw
14 Ke4 draw
15 Rc4 draw
16 Rd5 draw
17 Rd6 draw
18 Re4 draw
19 Rf4 draw
20 Rd7 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves