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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Ra7 win in 7 half-moves
5 Rd8 win in 7 half-moves
6 Ka7 draw
7 Ka8 draw
8 Kb7 draw
9 Kc4 draw
10 Kc5 draw
11 Kc7 draw
12 Kc8 draw
13 Kd4 draw
14 Kd6 draw
15 Ke5 draw
16 Ke6 draw
17 Re7 draw
18 Rf7 draw
19 Ke4 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves