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 Kf1 loss in 2 half-moves
3 Kf2 loss in 2 half-moves
4 Kg2 loss in 2 half-moves
5 Kh1 loss in 2 half-moves
6 Kh2 loss in 2 half-moves
7 Ra4 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Rc2 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Rc1 loss in 1 half-moves
18 Rc5 loss in 1 half-moves
19 Re4 loss in 1 half-moves