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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Rc4 win in 7 half-moves
3 Ra4 win in 9 half-moves
4 Na4 draw
5 Na6 draw
6 Nb3 draw
7 Rb5 draw
8 Nb7 loss in 2 half-moves
9 Nd3 loss in 2 half-moves
10 Nd7 loss in 2 half-moves
11 Ne4 loss in 2 half-moves
12 Ne6 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 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 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 1 half-moves