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

EGTB: win in 4 half-moves

# move score
1 Re4 win in 3 half-moves
2 Kc3 win in 5 half-moves
3 Kc5 win in 5 half-moves
4 Kc7 win in 7 half-moves
5 Ka7 draw
6 Ka8 draw
7 Kb7 draw
8 Kc4 draw
9 Kc8 draw
10 Kd3 draw
11 Kd5 draw
12 Ke3 draw
13 Ke4 draw
14 Ke5 draw
15 Rf1 draw
16 Rf2 draw
17 Rf3 draw
18 Rf5 draw
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves