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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb4 win in 5 half-moves
3 Rb6 win in 5 half-moves
4 Rh1 draw
5 K4b5 loss in 2 half-moves
6 K4c5 loss in 2 half-moves
7 K4d5 loss in 2 half-moves
8 K6b5 loss in 2 half-moves
9 K6c5 loss in 2 half-moves
10 K6d5 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rd1 loss in 2 half-moves
28 Re1 loss in 2 half-moves
29 Rf1 loss in 2 half-moves
30 Rg1 loss in 2 half-moves