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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Kc6 draw
5 Rc4 draw
6 Ra4 loss in 14 half-moves
7 Kc7 loss in 12 half-moves
8 Rb1 loss in 12 half-moves
9 Rb2 loss in 12 half-moves
10 Kb8 loss in 10 half-moves
11 Kc8 loss in 10 half-moves
12 Ka7 loss in 6 half-moves
13 Ka8 loss in 6 half-moves
14 Rd4 loss in 4 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rg4 loss in 1 half-moves