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

EGTB: win in 6 half-moves

# move score
1 Rh4 win in 5 half-moves
2 g7 draw
3 Rd4 draw
4 Rf5 draw
5 Rf6 draw
6 Rf7 draw
7 Rf8 draw
8 Rg4 draw
9 Ra4 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rf3 loss in 2 half-moves