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 Rf1 draw
3 Rf2 draw
4 Rf3 draw
5 K7g7 loss in 2 half-moves
6 K7g8 loss in 2 half-moves
7 K8g7 loss in 2 half-moves
8 K8g8 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves