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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kd1 win in 3 half-moves
3 Rb1 win in 9 half-moves
4 K1b2 draw
5 K1c2 draw
6 K1d2 draw
7 K3b2 draw
8 K3c2 draw
9 K3d2 draw
10 Kb4 draw
11 Kc4 draw
12 Rb2 draw
13 Rb7 draw
14 Rb8 draw
15 Kb1 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves