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 Rd5 draw
3 Rd6 draw
4 Kc1 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kc3 loss in 2 half-moves
7 Kd1 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Ra4 loss in 1 half-moves
19 Rd7 loss in 1 half-moves
20 Rf4 loss in 1 half-moves