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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kd3 draw
6 Kd4 draw
7 Kf3 draw
8 Rc4 draw
9 Rd4 draw
10 Re5 draw
11 Re6 draw
12 Re7 draw
13 Re8 draw
14 Rf4 draw
15 Rg4 draw
16 Rh4 draw
17 Kd2 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Ra4 loss in 1 half-moves