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 Kcc7 win in 9 half-moves
3 Ra4 win in 13 half-moves
4 Kbb7 win in 17 half-moves
5 Ka7 draw
6 Ka8 draw
7 Kcb7 draw
8 Rb1 draw
9 Rb2 draw
10 Rb5 draw
11 Rb6 draw
12 Rc4 draw
13 Rh4 draw
14 Kbc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves