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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kd3 win in 3 half-moves
3 Kc3 win in 5 half-moves
4 Rg2 win in 5 half-moves
5 Rg4 win in 7 half-moves
6 Kd4 draw
7 Ke1 draw
8 Ke2 draw
9 Ke3 draw
10 Kf1 draw
11 Kf3 draw
12 Kg2 draw
13 Kg3 draw
14 Ra1 draw
15 Rc1 draw
16 Re1 draw
17 Rf1 draw
18 Rg3 draw
19 Rh1 draw
20 Kb4 loss in 2 half-moves
21 Kb5 loss in 2 half-moves
22 Kc5 loss in 2 half-moves
23 Kd5 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg6 loss in 2 half-moves
28 Rg7 loss in 2 half-moves
29 Rg8 loss in 2 half-moves