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 Kg6 draw
3 Kg7 draw
4 Kg8 draw
5 Kh8 draw
6 Ra8 draw
7 Rc7 draw
8 Re8 draw
9 Rh8 draw
10 Kh6 loss in 6 half-moves
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rc4 loss in 1 half-moves
18 Rc5 loss in 1 half-moves
19 Rc6 loss in 1 half-moves