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 Rc4 win in 1 half-moves
3 Rb1 draw
4 Rd4 draw
5 Re4 draw
6 K2b1 loss in 2 half-moves
7 Ka3 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 K1b1 loss in 1 half-moves
10 K1b2 loss in 1 half-moves
11 K2b2 loss in 1 half-moves
12 Ra4 loss in 1 half-moves
13 Rb2 loss in 1 half-moves
14 Rb5 loss in 1 half-moves
15 Rb6 loss in 1 half-moves
16 Rb7 loss in 1 half-moves
17 Rb8 loss in 1 half-moves
18 Rf4 loss in 1 half-moves
19 Rg4 loss in 1 half-moves
20 Rh4 loss in 1 half-moves