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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Ra3 draw
3 Rb1 draw
4 Rb2 draw
5 Rb7 draw
6 Rb8 draw
7 Rc3 draw
8 Rd3 draw
9 Re3 draw
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rh3 loss in 2 half-moves