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

EGTB: win in 4 half-moves

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