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 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Rc5 win in 3 half-moves
5 Ka5 win in 5 half-moves
6 Kc4 win in 5 half-moves
7 Kc5 win in 5 half-moves
8 Kd5 win in 5 half-moves
9 Ra1 win in 5 half-moves
10 Rb1 win in 5 half-moves
11 Rc4 win in 5 half-moves
12 Ka7 draw
13 Kc3 draw
14 Kd3 draw
15 Ke3 draw
16 Ke4 draw
17 Rc2 draw
18 Rc3 draw
19 Rc6 draw
20 Rd1 draw
21 Re1 draw
22 Rf1 draw
23 Ke5 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves