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

EGTB: win in 4 half-moves

# move score
1 Kc1 win in 3 half-moves
2 Kb2 win in 5 half-moves
3 Kd2 win in 5 half-moves
4 K2b3 draw
5 K2d3 draw
6 Kb1 draw
7 Kd1 draw
8 Ra3 draw
9 Re3 draw
10 Rf3 draw
11 Rg3 draw
12 Rh3 draw
13 K4b3 loss in 2 half-moves
14 K4d3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves