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

EGTB: win in 10 half-moves

# move score
1 R3a4 win in 9 half-moves
2 R8a4 win in 13 half-moves
3 R8a5 win in 13 half-moves
4 Rd8 win in 13 half-moves
5 R8a6 win in 15 half-moves
6 R8a7 win in 15 half-moves
7 Rb3 win in 15 half-moves
8 Rb8 win in 15 half-moves
9 Rc3 win in 15 half-moves
10 Rc8 win in 15 half-moves
11 R3a5 win in 17 half-moves
12 Re8 win in 17 half-moves
13 R3a6 win in 19 half-moves
14 R3a7 win in 21 half-moves
15 Kc3 win in 23 half-moves
16 Kc2 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves