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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Ka7 draw
3 Kab7 draw
4 Kab8 draw
5 Kc7 draw
6 Kcb7 draw
7 Kcb8 draw
8 Kd7 draw
9 Kd8 draw
10 Ra5 draw
11 Rb1 draw
12 Rb2 draw
13 Rb3 draw
14 Rb4 draw
15 Rc5 draw
16 Rd5 draw
17 Re5 draw
18 Rf5 draw
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves