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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ng5 draw
3 Rb3 draw
4 Rb6 draw
5 Rf2 draw
6 Rg2 draw
7 Rh2 draw
8 Ra2 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rb5 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Nf6 loss in 1 half-moves
17 Nf8 loss in 1 half-moves