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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Re4 win in 1 half-moves
3 Rb1 win in 3 half-moves
4 Rb2 win in 3 half-moves
5 Rb3 win in 3 half-moves
6 K2b2 draw
7 K2b3 draw
8 K3b2 draw
9 K3b3 draw
10 Ka1 draw
11 Ka4 draw
12 Kb1 draw
13 Ra4 draw
14 Rc4 draw
15 Rd4 draw
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves