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 R4a2 draw
3 Ra6 draw
4 Ra7 draw
5 Ra8 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Ka2 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 R1a2 loss in 2 half-moves
14 R1a3 loss in 2 half-moves
15 R4a3 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves