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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kg6 draw
3 Kh4 draw
4 Kh6 draw
5 Rc1 draw
6 Rc6 draw
7 Rg5 draw
8 Rc7 loss in 8 half-moves
9 Kg4 loss in 2 half-moves
10 Kg5 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rf5 loss in 2 half-moves