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

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Re8 draw
7 Rf4 draw
8 Rf5 draw
9 Rg8 draw
10 Kg1 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves