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 Rd8 win in 5 half-moves
3 Kd3 draw
4 Ke3 draw
5 Ke4 draw
6 Ke5 draw
7 Rf8 draw
8 Rg8 draw
9 Rh1 draw
10 Rh2 draw
11 Rh4 draw
12 Rh6 draw
13 Rh7 draw
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh5 loss in 2 half-moves