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

EGTB: win in 4 half-moves

# move score
1 Kc3 win in 3 half-moves
2 Ka7 draw
3 Kb5 draw
4 Kc1 draw
5 Kc2 draw
6 Kd1 draw
7 Kd3 draw
8 Ke1 draw
9 Ke2 draw
10 Ra1 draw
11 Ra2 draw
12 Ra3 draw
13 Ra4 draw
14 Rb5 draw
15 Rf5 draw
16 Rg5 draw
17 Rh5 draw
18 Kb6 loss in 2 half-moves
19 Kb7 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Re5 loss in 2 half-moves