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 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rc5 draw
6 Rd5 draw
7 Re5 draw
8 Rf5 draw
9 Rg5 draw
10 Rh5 draw
11 Ka6 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Ka8 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves