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

EGTB: win in 4 half-moves

# move score
1 Kf6 win in 3 half-moves
2 Rh8 win in 5 half-moves
3 Rf8 win in 11 half-moves
4 Kd5 win in 13 half-moves
5 Kd6 draw
6 Kd7 draw
7 Ke5 draw
8 Ke7 draw
9 Kf5 draw
10 Kf7 draw
11 Kg1 draw
12 Kg2 draw
13 Kg3 draw
14 Kh1 draw
15 Kh3 draw
16 Rc8 draw
17 Rd8 draw
18 Re7 draw
19 Rg8 draw
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves