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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 K6f7 draw
3 K6g7 draw
4 K6h7 draw
5 K8f7 draw
6 K8g7 draw
7 K8h7 draw
8 Rf7 draw
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kg5 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Kh6 loss in 2 half-moves
14 Kh8 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf6 loss in 2 half-moves