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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rc6 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Re8 win in 3 half-moves
5 Rf8 win in 3 half-moves
6 Rg8 win in 3 half-moves
7 Rh8 win in 3 half-moves
8 Ba3 loss in 2 half-moves
9 Ba7 loss in 2 half-moves
10 Bb4 loss in 2 half-moves
11 Bb6 loss in 2 half-moves
12 Bd4 loss in 2 half-moves
13 Bd6 loss in 2 half-moves
14 Be3 loss in 2 half-moves
15 Be7 loss in 2 half-moves
16 Bf2 loss in 2 half-moves
17 Bf8 loss in 2 half-moves
18 Bg1 loss in 2 half-moves
19 Na3 loss in 2 half-moves
20 Nc3 loss in 2 half-moves
21 Nd2 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves