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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Rc6 win in 5 half-moves
3 Rf8 win in 5 half-moves
4 Rg8 win in 9 half-moves
5 Kd1 draw
6 Ke2 draw
7 Ke4 draw
8 Ke5 draw
9 Ke6 draw
10 Kf1 draw
11 Kf2 draw
12 Kf4 draw
13 Kf6 draw
14 Kg4 draw
15 Kg5 draw
16 Rc1 draw
17 Rc5 draw
18 Rc7 draw
19 Rd8 draw
20 Rh8 draw
21 Kd2 loss in 2 half-moves
22 Kg6 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc2 loss in 2 half-moves
26 Rc3 loss in 2 half-moves
27 Rc4 loss in 2 half-moves