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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Ra1 draw
3 Rb1 draw
4 Rc2 draw
5 Rc3 draw
6 Rc4 draw
7 Rc5 draw
8 Rc6 loss in 2 half-moves
9 Rc7 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves