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

EGTB: win in 10 half-moves

# move score
1 Ra1 win in 9 half-moves
2 Ra3 draw
3 Rc1 draw
4 Rc3 draw
5 Rg4 draw
6 Rh1 draw
7 Rh3 draw
8 Rb1 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rd1 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves