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

EGTB: win in 4 half-moves

# move score
1 Kc2 win in 3 half-moves
2 Kd1 win in 3 half-moves
3 Kd2 win in 3 half-moves
4 Rd1 win in 3 half-moves
5 Re2 win in 3 half-moves
6 Rh1 win in 5 half-moves
7 Kg2 win in 11 half-moves
8 Rf1 win in 11 half-moves
9 Kg3 win in 13 half-moves
10 Kh3 win in 13 half-moves
11 Kb1 draw
12 Kb2 draw
13 Kg1 draw
14 Kh1 draw
15 Re3 draw
16 Re4 draw
17 Re5 draw
18 Re6 draw
19 Re7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg1 loss in 2 half-moves