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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb5 win in 7 half-moves
3 Rb6 win in 11 half-moves
4 Rb7 win in 11 half-moves
5 Rb8 win in 11 half-moves
6 Rc3 draw
7 Rg3 draw
8 g4 loss in 2 half-moves
9 Nf7 loss in 2 half-moves
10 Ng6 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 g3 loss in 1 half-moves