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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kf6 win in 3 half-moves
3 Kh5 win in 3 half-moves
4 Kh6 win in 3 half-moves
5 Rf8 win in 3 half-moves
6 Rg7 win in 3 half-moves
7 Kg5 win in 5 half-moves
8 Rh8 win in 11 half-moves
9 Ke1 draw
10 Ke2 draw
11 Kf2 draw
12 Kf7 draw
13 Kg1 draw
14 Kg2 draw
15 Kg7 draw
16 Kh7 draw
17 Rc8 draw
18 Rd8 draw
19 Re8 draw
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves