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

EGTB: win in 2 half-moves

# move score
1 f7 win in 1 half-moves
2 Ra7 win in 1 half-moves
3 Ra5 draw
4 Ra6 draw
5 Ra8 draw
6 Rb4 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves