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

EGTB: win in 4 half-moves

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