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

EGTB: win in 6 half-moves

# move score
1 Rf4 win in 5 half-moves
2 Rd8 draw
3 Re8 draw
4 Rf6 draw
5 Rf7 draw
6 Rg8 draw
7 Rh8 draw
8 Ra8 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rf2 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf5 loss in 2 half-moves