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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rg1 win in 7 half-moves
3 Rh1 win in 17 half-moves
4 Ra1 draw
5 Rc1 draw
6 Re2 draw
7 Re7 draw
8 Re8 draw
9 Rf1 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kg3 loss in 2 half-moves
19 Kg4 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kh3 loss in 2 half-moves
22 Kh5 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Re5 loss in 2 half-moves
27 Re6 loss in 2 half-moves