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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Re8 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Rf5 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Kg1 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves