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 Ra3 draw
3 Ra4 draw
4 Ra5 draw
5 Ra6 draw
6 Ra7 draw
7 Rb2 draw
8 Rf2 draw
9 Rg2 draw
10 Rh2 draw
11 f8=B loss in 2 half-moves
12 f8=K loss in 2 half-moves
13 f8=N loss in 2 half-moves
14 f8=Q loss in 2 half-moves
15 f8=R loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves