QUERYKU

SELECT T1.Nama,
T1.besar_angsuran,
T1.tgl_angsur,
T1.jatuh_tempo,
CASE
    WHEN T1.tgl_angsur > T2.jatuh_tempo THEN 'TELAT'
    ELSE 'TIDAK'
END
FROM
(
    SELECT * ,
    @row_num :=IF(@prev_value = concat_ws('',Nama),@row_num+1,1)AS RowNumber
    , @prev_value := concat_ws('',Nama) AS Temp
    FROM trackku A,
    (SELECT @row_num := 0) r
    ORDER BY Nama,tgl_angsur
)T1
LEFT JOIN
(
    SELECT * ,
    @row_num2 :=IF(@prev_value2 = concat_ws('',Nama),@row_num2+1,1)AS RowNumber2
    , @prev_value2 := concat_ws('',Nama) AS Temp
    FROM trackku B,
    (SELECT @row_num2 := 0) r
    ORDER BY Nama,tgl_angsur
)T2 ON T1.Nama = T2.Nama
AND T1.RowNumber = T2.RowNumber2 + 1;