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 Rb1 win in 3 half-moves
3 Re4 draw
4 Rf4 draw
5 Rg4 draw
6 K1b1 loss in 2 half-moves
7 K1b2 loss in 2 half-moves
8 K2b1 loss in 2 half-moves
9 K2b2 loss in 2 half-moves
10 Ka3 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves