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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ne2 draw
3 Nf1 draw
4 Nf5 draw
5 Nh5 draw
6 Ra2 draw
7 Rb1 draw
8 Rb3 draw
9 Rc2 draw
10 Rd2 draw
11 Rg2 draw
12 Nh1 loss in 12 half-moves
13 Ne4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves