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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Kc6 draw
4 Kc7 draw
5 Kd7 draw
6 Ke6 draw
7 Ke7 draw
8 Kf7 draw
9 Kf8 draw
10 Kg7 draw
11 Kh7 draw
12 Kh8 draw
13 Ra4 draw
14 Rf5 draw
15 Rf6 draw
16 Rg4 draw
17 Rh4 draw
18 Kc5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf3 loss in 2 half-moves