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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Rh5 win in 3 half-moves
3 Ra1 win in 5 half-moves
4 Rb1 win in 5 half-moves
5 Rc1 win in 5 half-moves
6 Kd4 win in 11 half-moves
7 Kcc4 win in 17 half-moves
8 Ka4 draw
9 Ka5 draw
10 Ka6 draw
11 Kbb4 draw
12 Kbc4 draw
13 Kcb4 draw
14 Kd5 draw
15 Rf1 draw
16 Rg1 draw
17 Rh2 draw
18 Rh3 draw
19 Kbb6 loss in 2 half-moves
20 Kbc6 loss in 2 half-moves
21 Kcb6 loss in 2 half-moves
22 Kcc6 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves