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 Kg4 draw
3 Kg5 draw
4 Kh4 draw
5 Kh6 draw
6 Rc1 draw
7 Rc3 draw
8 Rc4 draw
9 Rc6 draw
10 Rg5 draw
11 Kg6 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc7 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