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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Ka2 draw
3 Ka3 draw
4 Ka5 draw
5 Kb1 draw
6 Kb2 draw
7 Kb3 draw
8 Kb4 draw
9 Kb5 draw
10 Ra6 draw
11 Rb6 draw
12 Rc2 draw
13 Rc7 draw
14 Rc8 draw
15 Rd6 draw
16 Rf6 draw
17 Rg6 draw
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves