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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 K1b2 draw
3 K2b2 draw
4 Ra5 draw
5 Rb1 draw
6 Rb2 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Rf5 draw
11 Rg5 draw
12 Rh5 draw
13 K2b1 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 K1b1 loss in 1 half-moves
17 Rb3 loss in 1 half-moves
18 Rc5 loss in 1 half-moves
19 Rd5 loss in 1 half-moves
20 Re5 loss in 1 half-moves