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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Ka6 draw
4 Kb6 draw
5 Kc6 draw
6 Rb3 draw
7 Re1 draw
8 Ka7 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves