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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb7 win in 3 half-moves
3 Rb6 win in 5 half-moves
4 Ka7 draw
5 Ka8 draw
6 Kbb7 draw
7 Kbc7 draw
8 Kcb7 draw
9 Kcc7 draw
10 Kd7 draw
11 Kd8 draw
12 Ra4 draw
13 Rc4 draw
14 Rd4 draw
15 Rh4 draw
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 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