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

EGTB: win in 2 half-moves

# move score
1 R5b6 win in 1 half-moves
2 R8b6 win in 1 half-moves
3 Rg5 win in 1 half-moves
4 Rg8 win in 1 half-moves
5 R5b7 win in 3 half-moves
6 R8b7 win in 3 half-moves
7 Ra5 win in 3 half-moves
8 Ra8 win in 3 half-moves
9 Rb3 win in 3 half-moves
10 Rb4 win in 3 half-moves
11 Rc5 win in 3 half-moves
12 Rc8 win in 3 half-moves
13 Rh5 win in 3 half-moves
14 Rh8 win in 3 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf8 loss in 2 half-moves