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 Ra5 draw
3 Rb5 draw
4 Rc5 draw
5 Rf7 draw
6 Rf8 draw
7 Rg5 draw
8 Rh5 draw
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Kf1 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf6 loss in 2 half-moves