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

EGTB: win in 10 half-moves

# move score
1 Ra5 win in 9 half-moves
2 Nf6 draw
3 Ra1 draw
4 Ra6 draw
5 Ra8 draw
6 Rb2 draw
7 Rc2 draw
8 Rf2 draw
9 Rg2 draw
10 Ra7 loss in 4 half-moves
11 Ne7 loss in 2 half-moves
12 Nh6 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rh2 loss in 2 half-moves