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 Re1 draw
3 Rf1 draw
4 Rg1 draw
5 K4a5 loss in 2 half-moves
6 K4b5 loss in 2 half-moves
7 K6a5 loss in 2 half-moves
8 K6b5 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Ka7 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 Ra1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves