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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Rb3 win in 3 half-moves
3 Rc2 win in 3 half-moves
4 Rc4 win in 3 half-moves
5 Rc6 win in 3 half-moves
6 Rc7 win in 3 half-moves
7 Rc8 win in 3 half-moves
8 Rd3 win in 3 half-moves
9 Rf3 win in 3 half-moves
10 Rh3 win in 3 half-moves
11 Ra3 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Re3 loss in 2 half-moves