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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kd7 win in 5 half-moves
5 Rd4 win in 5 half-moves
6 Re3 win in 5 half-moves
7 Ka7 draw
8 Kc5 draw
9 Kc6 draw
10 Kd5 draw
11 Ke5 draw
12 Ke7 draw
13 Rc3 draw
14 Rd5 draw
15 Rf3 draw
16 Rg3 draw
17 Rh3 draw
18 Ke6 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rd2 loss in 2 half-moves