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 Rc8 win in 3 half-moves
4 Rb1 win in 4 half-moves
5 Bb4 draw
6 Bb6 draw
7 Bc3 draw
8 Bc7 draw
9 Be1 draw
10 Ra8 draw
11 Rb4 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Bd2 loss in 2 half-moves
16 Bd8 loss in 2 half-moves
17 Nb2 loss in 2 half-moves
18 Nb6 loss in 2 half-moves
19 Nc5 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves
25 Nc3 loss in 1 half-moves