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 Rf6 win in 1 half-moves
3 K7f7 draw
4 K7h7 draw
5 K7h8 draw
6 K8f7 draw
7 K8h7 draw
8 K8h8 draw
9 Kf6 draw
10 Kg6 draw
11 Kh6 draw
12 Rd8 draw
13 Re8 draw
14 Rf1 draw
15 Rf2 draw
16 Rf3 draw
17 Rf4 draw
18 Rf7 draw
19 Ra8 loss in 1 half-moves
20 Rc8 loss in 1 half-moves
21 Rf5 loss in 1 half-moves