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 K7g7 draw
3 K7g8 draw
4 K8g7 draw
5 K8g8 draw
6 Kg6 draw
7 Kh6 draw
8 Rc3 draw
9 Rc6 draw
10 Rc7 draw
11 Rd8 draw
12 Re8 draw
13 Ra8 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves