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

EGTB: win in 4 half-moves

# move score
1 g3 win in 3 half-moves
2 Ra8 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Rc1 win in 3 half-moves
5 Rc4 win in 3 half-moves
6 Rc7 win in 3 half-moves
7 Rd8 win in 3 half-moves
8 Rg8 win in 3 half-moves
9 Rc2 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves