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

EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Rf4 win in 3 half-moves
3 Rf5 win in 3 half-moves
4 Kf3 draw
5 Kf4 draw
6 Kf5 draw
7 Kg3 draw
8 Kg5 draw
9 Kh3 draw
10 Kh4 draw
11 Kh5 draw
12 Kh7 draw
13 Ra6 draw
14 Rb6 draw
15 Rf1 draw
16 Rf2 draw
17 Rg6 draw
18 Rh6 draw
19 Kg7 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves