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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 g1=B draw
3 g1=K draw
4 g1=N draw
5 Ra1 draw
6 Ra3 draw
7 Ra4 draw
8 Ra7 draw
9 Rb2 draw
10 Rf2 draw
11 g1=Q loss in 2 half-moves
12 g1=R loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rd2 loss in 2 half-moves
17 Re2 loss in 2 half-moves