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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kd4 win in 3 half-moves
5 Kd5 win in 3 half-moves
6 Rd3 win in 3 half-moves
7 Rc2 win in 5 half-moves
8 Kc4 win in 7 half-moves
9 Kd2 win in 7 half-moves
10 Rc1 win in 7 half-moves
11 Kc2 win in 9 half-moves
12 Ke2 win in 9 half-moves
13 Rb3 win in 21 half-moves
14 Kc1 draw
15 Kc6 draw
16 Kd6 draw
17 Ke1 draw
18 Ra3 draw
19 Re3 draw
20 Rf3 draw
21 Rc4 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rh3 loss in 2 half-moves