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

EGTB: win in 4 half-moves

# move score
1 Rd3 win in 3 half-moves
2 Rg5 win in 3 half-moves
3 Rg6 win in 3 half-moves
4 Rg7 win in 3 half-moves
5 Rg8 win in 3 half-moves
6 Ka6 draw
7 Ka8 draw
8 Kab6 draw
9 Kab7 draw
10 Kb8 draw
11 Kc7 draw
12 Kcb6 draw
13 Kcb7 draw
14 Kd6 draw
15 Kd7 draw
16 Re3 draw
17 Rf3 draw
18 Rg4 draw
19 Rh3 draw
20 Kb5 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves