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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb1 win in 4 half-moves
4 Rb8 win in 5 half-moves
5 Bb4 draw
6 Bc7 draw
7 Rb4 draw
8 Rg7 draw
9 Rh7 draw
10 Bb6 loss in 2 half-moves
11 Bd2 loss in 2 half-moves
12 Bd8 loss in 2 half-moves
13 Be1 loss in 2 half-moves
14 Nb2 loss in 2 half-moves
15 Nb6 loss in 2 half-moves
16 Nc5 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Bc3 loss in 1 half-moves
25 Nc3 loss in 1 half-moves