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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rh6 win in 3 half-moves
3 Rb3 win in 5 half-moves
4 Ka4 draw
5 Ka6 draw
6 Kb5 draw
7 Kb6 draw
8 Kc5 draw
9 Kc6 draw
10 Kd6 draw
11 Ke4 draw
12 Ke5 draw
13 Ke6 draw
14 Ra3 draw
15 Rf3 draw
16 Rg3 draw
17 Rh4 draw
18 Rh5 draw
19 Rh7 draw
20 Rh8 draw
21 Kc4 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves