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 Rg8 loss in 4 half-moves
3 Rh8 loss in 4 half-moves
4 Kc1 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kc3 loss in 2 half-moves
7 Kd1 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Ra8 loss in 1 half-moves
21 Rf5 loss in 1 half-moves
22 Rf6 loss in 1 half-moves