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

EGTB: win in 6 half-moves

# move score
1 Ra4 win in 5 half-moves
2 Rb3 win in 5 half-moves
3 Rb6 win in 5 half-moves
4 Rb7 win in 5 half-moves
5 Rb8 win in 5 half-moves
6 Na3 loss in 2 half-moves
7 Na5 loss in 2 half-moves
8 Nb2 loss in 2 half-moves
9 Nb6 loss in 2 half-moves
10 Nd2 loss in 2 half-moves
11 Nd6 loss in 2 half-moves
12 Ne3 loss in 2 half-moves
13 Ne5 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb5 loss in 2 half-moves