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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Ra4 win in 5 half-moves
4 Ra8 win in 5 half-moves
5 Rg4 win in 7 half-moves
6 Rg8 win in 7 half-moves
7 Rh4 win in 7 half-moves
8 Rh8 win in 7 half-moves
9 Rf1 loss in 4 half-moves
10 Rf2 loss in 4 half-moves
11 Rf3 loss in 4 half-moves
12 R4f5 loss in 2 half-moves
13 R4f6 loss in 2 half-moves
14 R4f7 loss in 2 half-moves
15 R8f5 loss in 2 half-moves
16 R8f6 loss in 2 half-moves
17 R8f7 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Re8 loss in 2 half-moves