Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kg1 draw
3 Kg8 draw
4 Rb8 draw
5 Rc1 draw
6 Rc2 draw
7 Rc3 draw
8 Rc7 draw
9 Rd8 draw
10 Kg2 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Kh7 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 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves