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

EGTB: win in 4 half-moves

# move score
1 K3b4 win in 3 half-moves
2 K3c4 win in 3 half-moves
3 K3d4 win in 3 half-moves
4 K5b4 win in 3 half-moves
5 Kb3 win in 3 half-moves
6 Rf2 win in 3 half-moves
7 Kd5 win in 7 half-moves
8 K5c4 draw
9 K5d4 draw
10 Kc2 draw
11 Kd2 draw
12 Kd3 draw
13 Re3 draw
14 Rf1 draw
15 Rf4 draw
16 Rf5 draw
17 Rg3 draw
18 Rh3 draw
19 Kb2 loss in 2 half-moves
20 Kb5 loss in 2 half-moves
21 Kb6 loss in 2 half-moves
22 Kc6 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rf8 loss in 2 half-moves