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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra2 draw
3 Rb2 draw
4 Rc1 draw
5 Rc3 draw
6 Rc7 draw
7 Rc8 draw
8 Rd2 draw
9 Re2 draw
10 Rc4 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rh2 loss in 2 half-moves