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 Kb6 draw
3 Kc6 draw
4 Kc7 draw
5 Rb3 draw
6 Rh5 draw
7 Kc8 loss in 26 half-moves
8 Ra5 loss in 20 half-moves
9 Rf5 loss in 18 half-moves
10 Ka6 loss in 16 half-moves
11 Kb8 loss in 16 half-moves
12 Ka7 loss in 14 half-moves
13 Ka8 loss in 12 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rg5 loss in 1 half-moves