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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 K4d4 win in 3 half-moves
3 K5b5 win in 3 half-moves
4 K5d5 win in 3 half-moves
5 Kb6 win in 3 half-moves
6 Kc6 win in 3 half-moves
7 Kd6 win in 3 half-moves
8 Rb5 win in 3 half-moves
9 Rb6 win in 3 half-moves
10 Rb7 win in 3 half-moves
11 Rb8 win in 3 half-moves
12 K5d4 draw
13 Ra4 draw
14 K4b5 loss in 2 half-moves
15 K4d5 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb3 loss in 2 half-moves