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 Rb6 loss in 2 half-moves
3 Rc6 loss in 2 half-moves
4 Rf1 loss in 2 half-moves
5 Rf2 loss in 2 half-moves
6 Rf3 loss in 2 half-moves
7 Rg6 loss in 2 half-moves
8 Rh6 loss in 2 half-moves
9 Kc1 loss in 1 half-moves
10 Kc2 loss in 1 half-moves
11 Kc3 loss in 1 half-moves
12 Kd1 loss in 1 half-moves
13 Kd3 loss in 1 half-moves
14 Ke1 loss in 1 half-moves
15 Ke2 loss in 1 half-moves
16 Ke3 loss in 1 half-moves
17 Ra6 loss in 1 half-moves
18 Rd6 loss in 1 half-moves
19 Re6 loss in 1 half-moves
20 Rf5 loss in 1 half-moves
21 Rf7 loss in 1 half-moves
22 Rf8 loss in 1 half-moves