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 Rb8 draw
3 Rf5 draw
4 Rf6 draw
5 Rg8 draw
6 Rh8 draw
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Kff1 loss in 2 half-moves
12 Kfg2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kgf1 loss in 2 half-moves
15 Kgg2 loss in 2 half-moves
16 Kh1 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf7 loss in 2 half-moves