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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kcd3 win in 3 half-moves
4 Kcd5 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Re2 win in 3 half-moves
7 Kcc3 win in 5 half-moves
8 Kdc3 win in 5 half-moves
9 Rc3 win in 5 half-moves
10 Kb4 draw
11 Kcc5 draw
12 Kdc5 draw
13 Kdd3 draw
14 Kdd5 draw
15 Ra2 draw
16 Rc1 draw
17 Rd2 draw
18 Rf2 draw
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves