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 Kd3 win in 3 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 Kc1 draw
7 Kc3 draw
8 Kd1 draw
9 Kd2 draw
10 Ra4 draw
11 Rb2 draw
12 Rb3 draw
13 Rb5 draw
14 Rb6 draw
15 Rb7 draw
16 Rc4 draw
17 Rd4 draw
18 Re4 draw
19 Rf4 draw
20 Rb1 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves