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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Kf4 draw
6 Kg2 draw
7 Kg3 draw
8 Kg5 draw
9 Kh1 draw
10 Kh2 draw
11 Kh3 draw
12 Kh4 draw
13 Kh5 draw
14 Ra1 draw
15 Re2 draw
16 Re3 draw
17 Re4 draw
18 Re8 draw
19 Kf5 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Re7 loss in 2 half-moves