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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Na4 win in 5 half-moves
4 N2d3 draw
5 N4d3 draw
6 Rb7 loss in 4 half-moves
7 Rd8 loss in 4 half-moves
8 Na2 loss in 2 half-moves
9 Na6 loss in 2 half-moves
10 Nc2 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Nc6 loss in 2 half-moves
13 Nd1 loss in 2 half-moves
14 Nd5 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 Re8 loss in 1 half-moves