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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rb6 draw
3 Rc2 draw
4 Rc3 draw
5 Rc4 draw
6 Rc8 draw
7 Rf6 draw
8 Rg6 draw
9 Rh6 draw
10 Kg4 loss in 2 half-moves
11 Kg5 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves