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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke1 draw
6 Ke2 draw
7 Ke5 draw
8 Ke7 draw
9 Kf2 draw
10 Kf6 draw
11 Kf7 draw
12 Kg1 draw
13 Kg2 draw
14 Rc4 draw
15 Rc5 draw
16 Rc6 draw
17 Rc7 draw
18 Rd8 draw
19 Re8 draw
20 Rg8 draw
21 Rh8 draw
22 Kf5 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rc3 loss in 2 half-moves