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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Re3 win in 1 half-moves
3 Rb7 draw
4 Rb8 draw
5 g4 loss in 2 half-moves
6 Na7 loss in 2 half-moves
7 Nb6 loss in 2 half-moves
8 Nd6 loss in 2 half-moves
9 Ne7 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 g3 loss in 1 half-moves
19 Rc3 loss in 1 half-moves
20 Rg3 loss in 1 half-moves