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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kdd8 win in 3 half-moves
3 Ke6 win in 3 half-moves
4 Ke7 win in 3 half-moves
5 Ke8 win in 3 half-moves
6 Re7 win in 3 half-moves
7 Rf6 win in 3 half-moves
8 Kb7 draw
9 Kb8 draw
10 Kc6 draw
11 Kcc7 draw
12 Kcd8 draw
13 Kdc7 draw
14 Rf3 draw
15 Rf4 draw
16 Rf5 draw
17 Rf8 draw
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves