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 K6g7 draw
3 K6h7 draw
4 K8g7 draw
5 K8h7 draw
6 Rc7 draw
7 Kg5 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kg8 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves