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 Rc1 draw
3 Rc2 draw
4 Rc3 draw
5 Rf8 draw
6 Rg8 draw
7 Rh8 draw
8 Kg6 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Kh8 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves