Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Nc7 draw
3 Nd6 draw
4 Ng7 draw
5 Rg4 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Nf6 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rh8 loss in 2 half-moves