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 Kc7 win in 11 half-moves
3 Kd7 win in 11 half-moves
4 Ke7 win in 11 half-moves
5 Ka7 draw
6 Kb6 draw
7 Kb7 draw
8 Kc8 draw
9 Ke8 draw
10 Rf8 draw
11 Rg1 draw
12 Rg5 draw
13 Rg6 draw
14 Rg7 draw
15 Rh8 draw
16 Ka5 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves