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 win in 1 half-moves
3 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 K2a3 loss in 2 half-moves
7 K2b3 loss in 2 half-moves
8 K4a3 loss in 2 half-moves
9 K4b3 loss in 2 half-moves
10 Ka1 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Kb4 loss in 1 half-moves
23 Kb5 loss in 1 half-moves