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

EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rf5 win in 7 half-moves
3 Rf7 win in 7 half-moves
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Kd6 draw
8 Kd8 draw
9 Kde7 draw
10 Kde8 draw
11 Ke6 draw
12 Kf7 draw
13 Kfe7 draw
14 Kfe8 draw
15 Kg7 draw
16 Kg8 draw
17 Ra4 draw
18 Re4 draw
19 Rg4 draw
20 Rh4 draw
21 Rb4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rf3 loss in 2 half-moves