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 Kg5 loss in 2 half-moves
3 Kg6 loss in 2 half-moves
4 Kg7 loss in 2 half-moves
5 Kh5 loss in 2 half-moves
6 Kh7 loss in 2 half-moves
7 Rc3 loss in 2 half-moves
8 Rc6 loss in 2 half-moves
9 Rc7 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Ra4 loss in 1 half-moves
16 Rb4 loss in 1 half-moves
17 Rc1 loss in 1 half-moves
18 Rc2 loss in 1 half-moves
19 Rc5 loss in 1 half-moves