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

EGTB: win in 4 half-moves

# move score
1 Rc3 win in 3 half-moves
2 Rf1 draw
3 Rf2 draw
4 Rf7 draw
5 Rf8 draw
6 Rg3 draw
7 Rh3 draw
8 Ra3 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rd3 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rf6 loss in 2 half-moves