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 Kc7 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Rd3 win in 3 half-moves
5 Ka4 win in 7 half-moves
6 Kb4 win in 7 half-moves
7 Ka6 draw
8 Kab5 draw
9 Kab6 draw
10 Kc5 draw
11 Kcb5 draw
12 Kcb6 draw
13 Kd5 draw
14 Kd6 draw
15 Kd7 draw
16 Ra3 draw
17 Rc3 draw
18 Re1 draw
19 Re2 draw
20 Re4 draw
21 Re8 draw
22 Rf3 draw
23 Re5 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves