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 Kd5 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Ra4 win in 3 half-moves
6 Rb4 win in 3 half-moves
7 Rc4 win in 3 half-moves
8 Rd4 win in 3 half-moves
9 Kc5 win in 5 half-moves
10 Ka7 draw
11 Ka8 draw
12 Kb6 draw
13 Kbb7 draw
14 Kbc7 draw
15 Kc8 draw
16 Kcb7 draw
17 Kcc7 draw
18 Re1 draw
19 Re2 draw
20 Re3 draw
21 Re5 draw
22 Rf4 draw
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves