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 Kb6 win in 3 half-moves
3 Kcd4 win in 3 half-moves
4 Kcd6 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Re7 win in 3 half-moves
7 Kdd6 win in 5 half-moves
8 Ke6 win in 5 half-moves
9 Rc6 win in 5 half-moves
10 Kcc6 win in 7 half-moves
11 Kdc6 win in 7 half-moves
12 Kb5 draw
13 Kcc4 draw
14 Kdc4 draw
15 Kdd4 draw
16 Ke4 draw
17 Ke5 draw
18 Ra7 draw
19 Rc8 draw
20 Rd7 draw
21 Rf7 draw
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves