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

EGTB: win in 4 half-moves

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