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

EGTB: win in 4 half-moves

# move score
1 Kc4 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Ka7 draw
5 Kb7 draw
6 Kd4 draw
7 Kd6 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb5 draw
12 Rb7 draw
13 Rc8 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Ke4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves