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 Rg2 win in 3 half-moves
3 Kd4 win in 5 half-moves
4 Rg3 win in 5 half-moves
5 Kd2 draw
6 Ke2 draw
7 Ke3 draw
8 Ke4 draw
9 Rd8 draw
10 Rf8 draw
11 Rg1 draw
12 Rg6 draw
13 Rg7 draw
14 Rh8 draw
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 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 Rg4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves