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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 K4b4 draw
3 K4b5 draw
4 K5b4 draw
5 K5b5 draw
6 Ka3 draw
7 Ka6 draw
8 Kb3 draw
9 Kb6 draw
10 Ra8 draw
11 Rb1 draw
12 Rb2 draw
13 Rb4 draw
14 Rc8 draw
15 Rd8 draw
16 Rh8 draw
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves