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 Kc1 win in 3 half-moves
3 Kdc3 win in 3 half-moves
4 Kdd3 win in 3 half-moves
5 Ke3 win in 3 half-moves
6 Rf1 win in 3 half-moves
7 Ke2 win in 11 half-moves
8 Kb4 draw
9 Kc2 draw
10 Kcc3 draw
11 Kcd3 draw
12 Kd1 draw
13 Kd4 draw
14 Ke1 draw
15 Rf3 draw
16 Rf4 draw
17 Rg2 draw
18 Rh2 draw
19 Kb5 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rf8 loss in 2 half-moves