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

EGTB: win in 6 half-moves

# move score
1 Re8 win in 5 half-moves
2 Rd5 draw
3 Re1 draw
4 Re2 draw
5 Re3 draw
6 Re4 draw
7 Rf5 draw
8 Rg5 draw
9 Rh5 draw
10 Ka6 loss in 2 half-moves
11 Kaa7 loss in 2 half-moves
12 Kab8 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kba7 loss in 2 half-moves
15 Kbb8 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Re7 loss in 2 half-moves