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

EGTB: win in 4 half-moves

# move score
1 K3a4 win in 3 half-moves
2 K3b4 win in 3 half-moves
3 K5a4 win in 3 half-moves
4 K5b4 win in 3 half-moves
5 Ka2 win in 3 half-moves
6 Ka6 win in 3 half-moves
7 Kb3 win in 3 half-moves
8 Kb5 win in 3 half-moves
9 Kb6 win in 3 half-moves
10 Rb4 win in 3 half-moves
11 Rf2 win in 3 half-moves
12 Rf3 win in 3 half-moves
13 Rf5 win in 3 half-moves
14 Ra4 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rf1 draw
19 Kb2 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves