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

EGTB: win in 4 half-moves

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