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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Rf1 win in 3 half-moves
3 Rg1 win in 3 half-moves
4 Rh1 win in 3 half-moves
5 Rc7 win in 5 half-moves
6 Rc8 win in 5 half-moves
7 Ke8 draw
8 Kf7 draw
9 Kfg7 draw
10 Kg5 draw
11 Kg6 draw
12 Kg8 draw
13 Kh5 draw
14 Kh7 draw
15 Khg7 draw
16 Rc2 draw
17 Rc3 draw
18 Rd1 draw
19 Ke7 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rc6 loss in 2 half-moves