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 Rg4 win in 5 half-moves
3 Rh4 win in 9 half-moves
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Kd6 draw
8 Kd8 draw
9 Ke6 draw
10 Ke7 draw
11 Ke8 draw
12 Kg7 draw
13 Kg8 draw
14 Kh7 draw
15 Ra4 draw
16 Rf3 draw
17 Rf5 draw
18 Rf6 draw
19 Rf7 draw
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves