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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Re1 win in 3 half-moves
4 Re8 win in 3 half-moves
5 Rf5 win in 3 half-moves
6 Rh1 win in 3 half-moves
7 Rf2 win in 5 half-moves
8 Rg8 win in 5 half-moves
9 Rh8 win in 5 half-moves
10 Rff1 loss in 4 half-moves
11 Rgf1 loss in 4 half-moves
12 Ra1 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves