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

EGTB: win in 4 half-moves

# move score
1 f6 win in 3 half-moves
2 Re6 win in 3 half-moves
3 Rd7 draw
4 Re3 draw
5 Re4 draw
6 Re5 draw
7 Re8 draw
8 Rf7 draw
9 Rg7 draw
10 Rh7 draw
11 Ra7 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves