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 Rf5 draw
6 Rf6 draw
7 Rf7 draw
8 Rg8 draw
9 Rh8 draw
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kff1 loss in 2 half-moves
15 Kfg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kgf1 loss in 2 half-moves
18 Kgg2 loss in 2 half-moves
19 Kh1 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf3 loss in 2 half-moves