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

EGTB: win in 8 half-moves

# move score
1 Ra3 win in 7 half-moves
2 Rc3 win in 7 half-moves
3 Rb3 win in 9 half-moves
4 Rd3 loss in 4 half-moves
5 Na4 loss in 2 half-moves
6 Na6 loss in 2 half-moves
7 Nb3 loss in 2 half-moves
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 Rf3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Re3 loss in 1 half-moves
18 Rg5 loss in 1 half-moves
19 Rg6 loss in 1 half-moves
20 Rg7 loss in 1 half-moves