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 Kg1 draw
3 Kg2 draw
4 Ra3 draw
5 Rb3 draw
6 Rc3 draw
7 Rf5 draw
8 Rf6 draw
9 Rf7 draw
10 Rf8 draw
11 Rg3 draw
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rh3 loss in 2 half-moves