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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Rg7 win in 5 half-moves
3 Rg8 win in 5 half-moves
4 Ka8 draw
5 Kab7 draw
6 Kab8 draw
7 Kc7 draw
8 Kcb8 draw
9 Kd7 draw
10 Kd8 draw
11 Rc1 draw
12 Re1 draw
13 Rf1 draw
14 Rg2 draw
15 Rh1 draw
16 Ka6 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Kcb7 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg6 loss in 2 half-moves