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

EGTB: win in 4 half-moves

# move score
1 f7 win in 3 half-moves
2 Rd8 draw
3 Re1 draw
4 Re7 draw
5 Rg8 draw
6 Re2 loss in 4 half-moves
7 Re6 loss in 4 half-moves
8 Rf8 loss in 4 half-moves
9 Rh8 loss in 4 half-moves
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves