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 K2b3 draw
3 K2d2 draw
4 K2d3 draw
5 K3b3 draw
6 K3d2 draw
7 K3d3 draw
8 Kb1 draw
9 Kb4 draw
10 Kc1 draw
11 Kc4 draw
12 Kd1 draw
13 Kd4 draw
14 Ra2 draw
15 Rb1 draw
16 Rb6 draw
17 Rb7 draw
18 Rb8 draw
19 Rb3 loss in 1 half-moves
20 Rb5 loss in 1 half-moves