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

EGTB: win in 4 half-moves

# move score
1 Be1 win in 3 half-moves
2 Rc8 win in 17 half-moves
3 Ra8 win in 21 half-moves
4 Rb8 win in 21 half-moves
5 Rh1 draw
6 Rh2 draw
7 Rh7 draw
8 Bb4 loss in 2 half-moves
9 Bb6 loss in 2 half-moves
10 Bc3 loss in 2 half-moves
11 Bc7 loss in 2 half-moves
12 Bd2 loss in 2 half-moves
13 Bd8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh3 loss in 1 half-moves