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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Rb8 loss in 4 half-moves
3 Rc1 loss in 4 half-moves
4 Nd2 loss in 2 half-moves
5 Ne3 loss in 2 half-moves
6 Ng3 loss in 2 half-moves
7 Nh2 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Ra1 loss in 1 half-moves
15 Rb7 loss in 1 half-moves