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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Kd1 draw
7 Ke1 draw
8 Ke2 draw
9 Ke3 draw
10 Rd4 draw
11 Rd5 draw
12 Rd6 draw
13 Rd7 draw
14 Rd8 draw
15 Re3 draw
16 Rf3 draw
17 Rg3 draw
18 Rh3 draw
19 Kc1 loss in 2 half-moves
20 Kc2 loss in 2 half-moves
21 Kc3 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rc3 loss in 2 half-moves